/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml --traceabstraction.trace.refinement.strategy FIXED_PREFERENCES --cacsl2boogietranslator.allow.undefined.functions true --traceabstraction.smt.solver External_ModelsAndUnsatCoreMode --traceabstraction.command.for.external.solver 'cvc5 --incremental --print-success --lang smt' -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Bitvector.epf -i ../../../trunk/examples/svcomp/bitvector/s3_srvr_1a.BV.c.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.2.5-dev-b75d321-m [2024-11-03 05:42:24,570 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-03 05:42:24,631 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Bitvector.epf [2024-11-03 05:42:24,637 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-03 05:42:24,638 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-03 05:42:24,662 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-03 05:42:24,662 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-03 05:42:24,663 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-03 05:42:24,663 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-03 05:42:24,663 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-03 05:42:24,664 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-03 05:42:24,664 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-03 05:42:24,664 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-03 05:42:24,665 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-03 05:42:24,665 INFO L153 SettingsManager]: * Use SBE=true [2024-11-03 05:42:24,666 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-03 05:42:24,667 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-03 05:42:24,668 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-03 05:42:24,668 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-03 05:42:24,668 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-03 05:42:24,668 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-03 05:42:24,669 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-03 05:42:24,669 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-03 05:42:24,669 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-03 05:42:24,669 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-03 05:42:24,670 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-03 05:42:24,670 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-03 05:42:24,670 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-03 05:42:24,670 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-03 05:42:24,670 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-03 05:42:24,671 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-03 05:42:24,671 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-03 05:42:24,671 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-03 05:42:24,671 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-03 05:42:24,672 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-03 05:42:24,672 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-03 05:42:24,672 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-03 05:42:24,676 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-03 05:42:24,676 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2024-11-03 05:42:24,676 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-03 05:42:24,676 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-03 05:42:24,677 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-03 05:42:24,677 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-03 05:42:24,677 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-03 05:42:24,677 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Allow undefined functions -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Command for external solver -> cvc5 --incremental --print-success --lang smt [2024-11-03 05:42:24,873 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-03 05:42:24,891 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-03 05:42:24,894 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-03 05:42:24,895 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-03 05:42:24,895 INFO L274 PluginConnector]: CDTParser initialized [2024-11-03 05:42:24,896 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/bitvector/s3_srvr_1a.BV.c.cil.c [2024-11-03 05:42:26,080 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-03 05:42:26,229 INFO L384 CDTParser]: Found 1 translation units. [2024-11-03 05:42:26,230 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/bitvector/s3_srvr_1a.BV.c.cil.c [2024-11-03 05:42:26,244 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f05f007f0/149d4da23691403db746f20ac6b4ae77/FLAG45e18aeaf [2024-11-03 05:42:26,649 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f05f007f0/149d4da23691403db746f20ac6b4ae77 [2024-11-03 05:42:26,651 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-03 05:42:26,652 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2024-11-03 05:42:26,653 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-03 05:42:26,653 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-03 05:42:26,657 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-03 05:42:26,657 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.11 05:42:26" (1/1) ... [2024-11-03 05:42:26,658 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2a12ead9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 05:42:26, skipping insertion in model container [2024-11-03 05:42:26,658 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.11 05:42:26" (1/1) ... [2024-11-03 05:42:26,697 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-03 05:42:26,868 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/bitvector/s3_srvr_1a.BV.c.cil.c[44949,44962] [2024-11-03 05:42:26,875 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-03 05:42:26,885 INFO L200 MainTranslator]: Completed pre-run [2024-11-03 05:42:26,926 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/bitvector/s3_srvr_1a.BV.c.cil.c[44949,44962] [2024-11-03 05:42:26,931 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-03 05:42:26,942 INFO L204 MainTranslator]: Completed translation [2024-11-03 05:42:26,943 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 05:42:26 WrapperNode [2024-11-03 05:42:26,943 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-03 05:42:26,943 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-03 05:42:26,944 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-03 05:42:26,944 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-03 05:42:26,948 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 05:42:26" (1/1) ... [2024-11-03 05:42:26,955 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 05:42:26" (1/1) ... [2024-11-03 05:42:26,976 INFO L138 Inliner]: procedures = 16, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 514 [2024-11-03 05:42:26,979 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-03 05:42:26,980 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-03 05:42:26,980 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-03 05:42:26,980 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-03 05:42:26,987 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 05:42:26" (1/1) ... [2024-11-03 05:42:26,987 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 05:42:26" (1/1) ... [2024-11-03 05:42:26,991 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 05:42:26" (1/1) ... [2024-11-03 05:42:27,001 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2024-11-03 05:42:27,001 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 05:42:26" (1/1) ... [2024-11-03 05:42:27,002 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 05:42:26" (1/1) ... [2024-11-03 05:42:27,007 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 05:42:26" (1/1) ... [2024-11-03 05:42:27,014 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 05:42:26" (1/1) ... [2024-11-03 05:42:27,015 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 05:42:26" (1/1) ... [2024-11-03 05:42:27,016 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 05:42:26" (1/1) ... [2024-11-03 05:42:27,018 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-03 05:42:27,019 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-03 05:42:27,019 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-03 05:42:27,019 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-03 05:42:27,020 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 05:42:26" (1/1) ... [2024-11-03 05:42:27,026 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-03 05:42:27,033 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-03 05:42:27,043 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-03 05:42:27,044 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-03 05:42:27,061 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-03 05:42:27,061 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2024-11-03 05:42:27,061 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-03 05:42:27,061 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-03 05:42:27,126 INFO L238 CfgBuilder]: Building ICFG [2024-11-03 05:42:27,127 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-03 05:42:27,137 WARN L781 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2024-11-03 05:42:27,551 INFO L735 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##90: assume false; [2024-11-03 05:42:27,551 INFO L735 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##91: assume !false; [2024-11-03 05:42:27,593 INFO L? ?]: Removed 128 outVars from TransFormulas that were not future-live. [2024-11-03 05:42:27,593 INFO L287 CfgBuilder]: Performing block encoding [2024-11-03 05:42:27,608 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-03 05:42:27,608 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-03 05:42:27,608 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.11 05:42:27 BoogieIcfgContainer [2024-11-03 05:42:27,608 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-03 05:42:27,611 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-03 05:42:27,611 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-03 05:42:27,613 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-03 05:42:27,614 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 03.11 05:42:26" (1/3) ... [2024-11-03 05:42:27,614 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@57d58d1e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.11 05:42:27, skipping insertion in model container [2024-11-03 05:42:27,615 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 05:42:26" (2/3) ... [2024-11-03 05:42:27,615 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@57d58d1e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.11 05:42:27, skipping insertion in model container [2024-11-03 05:42:27,615 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.11 05:42:27" (3/3) ... [2024-11-03 05:42:27,617 INFO L112 eAbstractionObserver]: Analyzing ICFG s3_srvr_1a.BV.c.cil.c [2024-11-03 05:42:27,629 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-03 05:42:27,629 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-03 05:42:27,681 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-03 05:42:27,686 INFO L333 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopHeads, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@2c0dcd8a, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-03 05:42:27,686 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-03 05:42:27,690 INFO L276 IsEmpty]: Start isEmpty. Operand has 140 states, 138 states have (on average 1.7318840579710144) internal successors, (239), 139 states have internal predecessors, (239), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-03 05:42:27,696 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2024-11-03 05:42:27,696 INFO L207 NwaCegarLoop]: Found error trace [2024-11-03 05:42:27,696 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-03 05:42:27,697 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-03 05:42:27,700 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-03 05:42:27,701 INFO L85 PathProgramCache]: Analyzing trace with hash 1632000041, now seen corresponding path program 1 times [2024-11-03 05:42:27,707 INFO L118 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2024-11-03 05:42:27,707 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [635984431] [2024-11-03 05:42:27,707 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-03 05:42:27,709 INFO L173 SolverBuilder]: Constructing external solver with command: cvc5 --incremental --print-success --lang smt [2024-11-03 05:42:27,709 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc5 [2024-11-03 05:42:27,713 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc5 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-03 05:42:27,716 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc5 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-11-03 05:42:27,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-03 05:42:27,803 INFO L255 TraceCheckSpWp]: Trace formula consists of 65 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-03 05:42:27,808 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-03 05:42:27,948 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-03 05:42:27,948 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-03 05:42:28,035 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-03 05:42:28,036 INFO L136 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2024-11-03 05:42:28,036 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [635984431] [2024-11-03 05:42:28,037 INFO L158 FreeRefinementEngine]: IpTcStrategyModulePreferences [635984431] provided 2 perfect and 0 imperfect interpolant sequences [2024-11-03 05:42:28,037 INFO L185 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2024-11-03 05:42:28,037 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 4 [2024-11-03 05:42:28,039 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [43444246] [2024-11-03 05:42:28,040 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2024-11-03 05:42:28,044 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-03 05:42:28,044 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2024-11-03 05:42:28,062 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-03 05:42:28,063 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-03 05:42:28,065 INFO L87 Difference]: Start difference. First operand has 140 states, 138 states have (on average 1.7318840579710144) internal successors, (239), 139 states have internal predecessors, (239), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 4 states, 4 states have (on average 21.0) internal successors, (84), 4 states have internal predecessors, (84), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-03 05:42:28,325 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-03 05:42:28,326 INFO L93 Difference]: Finished difference Result 342 states and 595 transitions. [2024-11-03 05:42:28,327 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-03 05:42:28,328 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 21.0) internal successors, (84), 4 states have internal predecessors, (84), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 44 [2024-11-03 05:42:28,328 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-03 05:42:28,335 INFO L225 Difference]: With dead ends: 342 [2024-11-03 05:42:28,335 INFO L226 Difference]: Without dead ends: 186 [2024-11-03 05:42:28,337 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 86 GetRequests, 84 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-03 05:42:28,339 INFO L432 NwaCegarLoop]: 181 mSDtfsCounter, 74 mSDsluCounter, 143 mSDsCounter, 0 mSdLazyCounter, 208 mSolverCounterSat, 39 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 74 SdHoareTripleChecker+Valid, 324 SdHoareTripleChecker+Invalid, 247 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 39 IncrementalHoareTripleChecker+Valid, 208 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-03 05:42:28,340 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [74 Valid, 324 Invalid, 247 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [39 Valid, 208 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-03 05:42:28,352 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 186 states. [2024-11-03 05:42:28,368 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 186 to 186. [2024-11-03 05:42:28,369 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 186 states, 185 states have (on average 1.6054054054054054) internal successors, (297), 185 states have internal predecessors, (297), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-03 05:42:28,370 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 186 states to 186 states and 297 transitions. [2024-11-03 05:42:28,372 INFO L78 Accepts]: Start accepts. Automaton has 186 states and 297 transitions. Word has length 44 [2024-11-03 05:42:28,372 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-03 05:42:28,372 INFO L471 AbstractCegarLoop]: Abstraction has 186 states and 297 transitions. [2024-11-03 05:42:28,372 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 21.0) internal successors, (84), 4 states have internal predecessors, (84), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-03 05:42:28,372 INFO L276 IsEmpty]: Start isEmpty. Operand 186 states and 297 transitions. [2024-11-03 05:42:28,374 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2024-11-03 05:42:28,374 INFO L207 NwaCegarLoop]: Found error trace [2024-11-03 05:42:28,374 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-03 05:42:28,378 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc5 --incremental --print-success --lang smt (2)] Ended with exit code 0 [2024-11-03 05:42:28,576 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc5 --incremental --print-success --lang smt [2024-11-03 05:42:28,577 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-03 05:42:28,582 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-03 05:42:28,582 INFO L85 PathProgramCache]: Analyzing trace with hash -1723615984, now seen corresponding path program 1 times [2024-11-03 05:42:28,582 INFO L118 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2024-11-03 05:42:28,582 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [486068335] [2024-11-03 05:42:28,582 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-03 05:42:28,582 INFO L173 SolverBuilder]: Constructing external solver with command: cvc5 --incremental --print-success --lang smt [2024-11-03 05:42:28,582 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc5 [2024-11-03 05:42:28,585 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc5 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-03 05:42:28,586 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc5 --incremental --print-success --lang smt (3)] Waiting until timeout for monitored process [2024-11-03 05:42:28,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-03 05:42:28,647 INFO L255 TraceCheckSpWp]: Trace formula consists of 86 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-03 05:42:28,649 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-03 05:42:28,682 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-03 05:42:28,683 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-03 05:42:28,708 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-03 05:42:28,708 INFO L136 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2024-11-03 05:42:28,709 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [486068335] [2024-11-03 05:42:28,709 INFO L158 FreeRefinementEngine]: IpTcStrategyModulePreferences [486068335] provided 2 perfect and 0 imperfect interpolant sequences [2024-11-03 05:42:28,709 INFO L185 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2024-11-03 05:42:28,709 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 3 [2024-11-03 05:42:28,709 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1448381969] [2024-11-03 05:42:28,709 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2024-11-03 05:42:28,711 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-03 05:42:28,712 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2024-11-03 05:42:28,712 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-03 05:42:28,712 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-03 05:42:28,713 INFO L87 Difference]: Start difference. First operand 186 states and 297 transitions. Second operand has 3 states, 3 states have (on average 20.333333333333332) internal successors, (61), 3 states have internal predecessors, (61), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-03 05:42:28,845 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-03 05:42:28,845 INFO L93 Difference]: Finished difference Result 385 states and 620 transitions. [2024-11-03 05:42:28,846 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-03 05:42:28,846 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 20.333333333333332) internal successors, (61), 3 states have internal predecessors, (61), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 61 [2024-11-03 05:42:28,846 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-03 05:42:28,847 INFO L225 Difference]: With dead ends: 385 [2024-11-03 05:42:28,847 INFO L226 Difference]: Without dead ends: 207 [2024-11-03 05:42:28,848 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 120 GetRequests, 119 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-03 05:42:28,849 INFO L432 NwaCegarLoop]: 190 mSDtfsCounter, 9 mSDsluCounter, 100 mSDsCounter, 0 mSdLazyCounter, 109 mSolverCounterSat, 12 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9 SdHoareTripleChecker+Valid, 290 SdHoareTripleChecker+Invalid, 121 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 12 IncrementalHoareTripleChecker+Valid, 109 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-03 05:42:28,849 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [9 Valid, 290 Invalid, 121 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [12 Valid, 109 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-03 05:42:28,850 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 207 states. [2024-11-03 05:42:28,865 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 207 to 207. [2024-11-03 05:42:28,865 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 207 states, 206 states have (on average 1.5679611650485437) internal successors, (323), 206 states have internal predecessors, (323), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-03 05:42:28,866 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 207 states to 207 states and 323 transitions. [2024-11-03 05:42:28,866 INFO L78 Accepts]: Start accepts. Automaton has 207 states and 323 transitions. Word has length 61 [2024-11-03 05:42:28,866 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-03 05:42:28,866 INFO L471 AbstractCegarLoop]: Abstraction has 207 states and 323 transitions. [2024-11-03 05:42:28,867 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 20.333333333333332) internal successors, (61), 3 states have internal predecessors, (61), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-03 05:42:28,867 INFO L276 IsEmpty]: Start isEmpty. Operand 207 states and 323 transitions. [2024-11-03 05:42:28,869 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2024-11-03 05:42:28,869 INFO L207 NwaCegarLoop]: Found error trace [2024-11-03 05:42:28,869 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-03 05:42:28,875 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc5 --incremental --print-success --lang smt (3)] Forceful destruction successful, exit code 0 [2024-11-03 05:42:29,073 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc5 --incremental --print-success --lang smt [2024-11-03 05:42:29,075 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-03 05:42:29,075 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-03 05:42:29,076 INFO L85 PathProgramCache]: Analyzing trace with hash -1821661187, now seen corresponding path program 1 times [2024-11-03 05:42:29,076 INFO L118 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2024-11-03 05:42:29,076 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [407010443] [2024-11-03 05:42:29,076 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-03 05:42:29,076 INFO L173 SolverBuilder]: Constructing external solver with command: cvc5 --incremental --print-success --lang smt [2024-11-03 05:42:29,076 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc5 [2024-11-03 05:42:29,077 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc5 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-03 05:42:29,079 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc5 --incremental --print-success --lang smt (4)] Waiting until timeout for monitored process [2024-11-03 05:42:29,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-03 05:42:29,148 INFO L255 TraceCheckSpWp]: Trace formula consists of 109 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-03 05:42:29,150 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-03 05:42:29,208 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 27 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2024-11-03 05:42:29,209 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-03 05:42:29,267 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 27 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2024-11-03 05:42:29,268 INFO L136 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2024-11-03 05:42:29,268 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [407010443] [2024-11-03 05:42:29,268 INFO L158 FreeRefinementEngine]: IpTcStrategyModulePreferences [407010443] provided 2 perfect and 0 imperfect interpolant sequences [2024-11-03 05:42:29,268 INFO L185 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2024-11-03 05:42:29,268 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 3 [2024-11-03 05:42:29,268 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [85758627] [2024-11-03 05:42:29,269 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2024-11-03 05:42:29,270 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-03 05:42:29,270 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2024-11-03 05:42:29,270 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-03 05:42:29,270 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-03 05:42:29,271 INFO L87 Difference]: Start difference. First operand 207 states and 323 transitions. Second operand has 3 states, 3 states have (on average 24.0) internal successors, (72), 3 states have internal predecessors, (72), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-03 05:42:29,419 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-03 05:42:29,419 INFO L93 Difference]: Finished difference Result 448 states and 712 transitions. [2024-11-03 05:42:29,420 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-03 05:42:29,420 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 24.0) internal successors, (72), 3 states have internal predecessors, (72), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 82 [2024-11-03 05:42:29,421 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-03 05:42:29,422 INFO L225 Difference]: With dead ends: 448 [2024-11-03 05:42:29,422 INFO L226 Difference]: Without dead ends: 249 [2024-11-03 05:42:29,423 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 162 GetRequests, 161 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-03 05:42:29,423 INFO L432 NwaCegarLoop]: 187 mSDtfsCounter, 10 mSDsluCounter, 100 mSDsCounter, 0 mSdLazyCounter, 127 mSolverCounterSat, 32 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 10 SdHoareTripleChecker+Valid, 287 SdHoareTripleChecker+Invalid, 159 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 32 IncrementalHoareTripleChecker+Valid, 127 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-03 05:42:29,424 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [10 Valid, 287 Invalid, 159 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [32 Valid, 127 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-03 05:42:29,428 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 249 states. [2024-11-03 05:42:29,441 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 249 to 249. [2024-11-03 05:42:29,442 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 249 states, 248 states have (on average 1.4919354838709677) internal successors, (370), 248 states have internal predecessors, (370), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-03 05:42:29,442 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 249 states to 249 states and 370 transitions. [2024-11-03 05:42:29,443 INFO L78 Accepts]: Start accepts. Automaton has 249 states and 370 transitions. Word has length 82 [2024-11-03 05:42:29,443 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-03 05:42:29,443 INFO L471 AbstractCegarLoop]: Abstraction has 249 states and 370 transitions. [2024-11-03 05:42:29,447 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 24.0) internal successors, (72), 3 states have internal predecessors, (72), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-03 05:42:29,447 INFO L276 IsEmpty]: Start isEmpty. Operand 249 states and 370 transitions. [2024-11-03 05:42:29,449 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2024-11-03 05:42:29,449 INFO L207 NwaCegarLoop]: Found error trace [2024-11-03 05:42:29,450 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-03 05:42:29,455 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc5 --incremental --print-success --lang smt (4)] Ended with exit code 0 [2024-11-03 05:42:29,650 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc5 --incremental --print-success --lang smt [2024-11-03 05:42:29,651 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-03 05:42:29,651 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-03 05:42:29,652 INFO L85 PathProgramCache]: Analyzing trace with hash 1575912831, now seen corresponding path program 1 times [2024-11-03 05:42:29,652 INFO L118 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2024-11-03 05:42:29,652 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1215353523] [2024-11-03 05:42:29,652 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-03 05:42:29,652 INFO L173 SolverBuilder]: Constructing external solver with command: cvc5 --incremental --print-success --lang smt [2024-11-03 05:42:29,652 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc5 [2024-11-03 05:42:29,653 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc5 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-03 05:42:29,654 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc5 --incremental --print-success --lang smt (5)] Waiting until timeout for monitored process [2024-11-03 05:42:29,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-03 05:42:29,713 INFO L255 TraceCheckSpWp]: Trace formula consists of 109 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-03 05:42:29,715 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-03 05:42:29,748 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 27 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2024-11-03 05:42:29,748 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-03 05:42:29,775 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 27 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2024-11-03 05:42:29,776 INFO L136 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2024-11-03 05:42:29,776 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1215353523] [2024-11-03 05:42:29,776 INFO L158 FreeRefinementEngine]: IpTcStrategyModulePreferences [1215353523] provided 2 perfect and 0 imperfect interpolant sequences [2024-11-03 05:42:29,776 INFO L185 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2024-11-03 05:42:29,776 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 3 [2024-11-03 05:42:29,776 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [671998552] [2024-11-03 05:42:29,776 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2024-11-03 05:42:29,777 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-03 05:42:29,777 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2024-11-03 05:42:29,777 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-03 05:42:29,777 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-03 05:42:29,778 INFO L87 Difference]: Start difference. First operand 249 states and 370 transitions. Second operand has 3 states, 3 states have (on average 24.0) internal successors, (72), 3 states have internal predecessors, (72), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-03 05:42:29,889 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-03 05:42:29,889 INFO L93 Difference]: Finished difference Result 513 states and 770 transitions. [2024-11-03 05:42:29,889 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-03 05:42:29,889 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 24.0) internal successors, (72), 3 states have internal predecessors, (72), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 82 [2024-11-03 05:42:29,890 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-03 05:42:29,891 INFO L225 Difference]: With dead ends: 513 [2024-11-03 05:42:29,891 INFO L226 Difference]: Without dead ends: 272 [2024-11-03 05:42:29,891 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 162 GetRequests, 161 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-03 05:42:29,892 INFO L432 NwaCegarLoop]: 206 mSDtfsCounter, 9 mSDsluCounter, 100 mSDsCounter, 0 mSdLazyCounter, 111 mSolverCounterSat, 14 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9 SdHoareTripleChecker+Valid, 306 SdHoareTripleChecker+Invalid, 125 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 14 IncrementalHoareTripleChecker+Valid, 111 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-03 05:42:29,893 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [9 Valid, 306 Invalid, 125 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [14 Valid, 111 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-03 05:42:29,893 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 272 states. [2024-11-03 05:42:29,900 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 272 to 272. [2024-11-03 05:42:29,901 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 272 states, 271 states have (on average 1.4686346863468636) internal successors, (398), 271 states have internal predecessors, (398), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-03 05:42:29,905 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 272 states to 272 states and 398 transitions. [2024-11-03 05:42:29,905 INFO L78 Accepts]: Start accepts. Automaton has 272 states and 398 transitions. Word has length 82 [2024-11-03 05:42:29,905 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-03 05:42:29,906 INFO L471 AbstractCegarLoop]: Abstraction has 272 states and 398 transitions. [2024-11-03 05:42:29,906 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 24.0) internal successors, (72), 3 states have internal predecessors, (72), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-03 05:42:29,906 INFO L276 IsEmpty]: Start isEmpty. Operand 272 states and 398 transitions. [2024-11-03 05:42:29,908 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2024-11-03 05:42:29,908 INFO L207 NwaCegarLoop]: Found error trace [2024-11-03 05:42:29,908 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-03 05:42:29,914 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc5 --incremental --print-success --lang smt (5)] Forceful destruction successful, exit code 0 [2024-11-03 05:42:30,113 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc5 --incremental --print-success --lang smt [2024-11-03 05:42:30,113 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-03 05:42:30,114 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-03 05:42:30,114 INFO L85 PathProgramCache]: Analyzing trace with hash -1846748527, now seen corresponding path program 1 times [2024-11-03 05:42:30,114 INFO L118 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2024-11-03 05:42:30,114 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [763631600] [2024-11-03 05:42:30,114 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-03 05:42:30,114 INFO L173 SolverBuilder]: Constructing external solver with command: cvc5 --incremental --print-success --lang smt [2024-11-03 05:42:30,115 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc5 [2024-11-03 05:42:30,117 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc5 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-03 05:42:30,120 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc5 --incremental --print-success --lang smt (6)] Waiting until timeout for monitored process [2024-11-03 05:42:30,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-03 05:42:30,175 INFO L255 TraceCheckSpWp]: Trace formula consists of 131 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-03 05:42:30,177 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-03 05:42:30,204 INFO L134 CoverageAnalysis]: Checked inductivity of 83 backedges. 45 proven. 0 refuted. 0 times theorem prover too weak. 38 trivial. 0 not checked. [2024-11-03 05:42:30,204 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-03 05:42:30,227 INFO L134 CoverageAnalysis]: Checked inductivity of 83 backedges. 45 proven. 0 refuted. 0 times theorem prover too weak. 38 trivial. 0 not checked. [2024-11-03 05:42:30,228 INFO L136 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2024-11-03 05:42:30,228 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [763631600] [2024-11-03 05:42:30,228 INFO L158 FreeRefinementEngine]: IpTcStrategyModulePreferences [763631600] provided 2 perfect and 0 imperfect interpolant sequences [2024-11-03 05:42:30,228 INFO L185 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2024-11-03 05:42:30,228 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 3 [2024-11-03 05:42:30,228 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [517822856] [2024-11-03 05:42:30,228 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2024-11-03 05:42:30,228 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-03 05:42:30,229 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2024-11-03 05:42:30,229 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-03 05:42:30,229 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-03 05:42:30,229 INFO L87 Difference]: Start difference. First operand 272 states and 398 transitions. Second operand has 3 states, 3 states have (on average 25.666666666666668) internal successors, (77), 3 states have internal predecessors, (77), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-03 05:42:30,330 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-03 05:42:30,330 INFO L93 Difference]: Finished difference Result 561 states and 830 transitions. [2024-11-03 05:42:30,330 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-03 05:42:30,331 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 25.666666666666668) internal successors, (77), 3 states have internal predecessors, (77), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 102 [2024-11-03 05:42:30,331 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-03 05:42:30,332 INFO L225 Difference]: With dead ends: 561 [2024-11-03 05:42:30,332 INFO L226 Difference]: Without dead ends: 297 [2024-11-03 05:42:30,333 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 202 GetRequests, 201 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-03 05:42:30,333 INFO L432 NwaCegarLoop]: 205 mSDtfsCounter, 9 mSDsluCounter, 100 mSDsCounter, 0 mSdLazyCounter, 113 mSolverCounterSat, 16 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9 SdHoareTripleChecker+Valid, 305 SdHoareTripleChecker+Invalid, 129 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 16 IncrementalHoareTripleChecker+Valid, 113 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-03 05:42:30,334 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [9 Valid, 305 Invalid, 129 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [16 Valid, 113 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-03 05:42:30,334 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 297 states. [2024-11-03 05:42:30,338 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 297 to 297. [2024-11-03 05:42:30,339 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 297 states, 296 states have (on average 1.445945945945946) internal successors, (428), 296 states have internal predecessors, (428), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-03 05:42:30,339 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 297 states to 297 states and 428 transitions. [2024-11-03 05:42:30,340 INFO L78 Accepts]: Start accepts. Automaton has 297 states and 428 transitions. Word has length 102 [2024-11-03 05:42:30,340 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-03 05:42:30,340 INFO L471 AbstractCegarLoop]: Abstraction has 297 states and 428 transitions. [2024-11-03 05:42:30,340 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 25.666666666666668) internal successors, (77), 3 states have internal predecessors, (77), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-03 05:42:30,340 INFO L276 IsEmpty]: Start isEmpty. Operand 297 states and 428 transitions. [2024-11-03 05:42:30,341 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 122 [2024-11-03 05:42:30,341 INFO L207 NwaCegarLoop]: Found error trace [2024-11-03 05:42:30,341 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-03 05:42:30,345 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc5 --incremental --print-success --lang smt (6)] Forceful destruction successful, exit code 0 [2024-11-03 05:42:30,541 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc5 --incremental --print-success --lang smt [2024-11-03 05:42:30,542 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-03 05:42:30,542 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-03 05:42:30,543 INFO L85 PathProgramCache]: Analyzing trace with hash 112174862, now seen corresponding path program 1 times [2024-11-03 05:42:30,543 INFO L118 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2024-11-03 05:42:30,543 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2023321962] [2024-11-03 05:42:30,543 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-03 05:42:30,543 INFO L173 SolverBuilder]: Constructing external solver with command: cvc5 --incremental --print-success --lang smt [2024-11-03 05:42:30,543 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc5 [2024-11-03 05:42:30,544 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc5 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-03 05:42:30,545 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc5 --incremental --print-success --lang smt (7)] Waiting until timeout for monitored process [2024-11-03 05:42:30,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-03 05:42:30,600 INFO L255 TraceCheckSpWp]: Trace formula consists of 151 conjuncts, 33 conjuncts are in the unsatisfiable core [2024-11-03 05:42:30,615 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-03 05:42:30,737 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 52 proven. 18 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2024-11-03 05:42:30,737 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-03 05:42:30,789 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 62 proven. 0 refuted. 0 times theorem prover too weak. 38 trivial. 0 not checked. [2024-11-03 05:42:30,789 INFO L136 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2024-11-03 05:42:30,789 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2023321962] [2024-11-03 05:42:30,789 INFO L158 FreeRefinementEngine]: IpTcStrategyModulePreferences [2023321962] provided 1 perfect and 1 imperfect interpolant sequences [2024-11-03 05:42:30,789 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-03 05:42:30,790 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [7] total 8 [2024-11-03 05:42:30,790 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1816826651] [2024-11-03 05:42:30,790 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-03 05:42:30,790 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-03 05:42:30,790 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2024-11-03 05:42:30,790 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-03 05:42:30,791 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2024-11-03 05:42:30,791 INFO L87 Difference]: Start difference. First operand 297 states and 428 transitions. Second operand has 3 states, 3 states have (on average 32.0) internal successors, (96), 3 states have internal predecessors, (96), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-03 05:42:30,816 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-03 05:42:30,816 INFO L93 Difference]: Finished difference Result 582 states and 838 transitions. [2024-11-03 05:42:30,817 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-03 05:42:30,817 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 32.0) internal successors, (96), 3 states have internal predecessors, (96), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 121 [2024-11-03 05:42:30,817 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-03 05:42:30,819 INFO L225 Difference]: With dead ends: 582 [2024-11-03 05:42:30,819 INFO L226 Difference]: Without dead ends: 580 [2024-11-03 05:42:30,820 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 240 GetRequests, 234 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2024-11-03 05:42:30,820 INFO L432 NwaCegarLoop]: 188 mSDtfsCounter, 146 mSDsluCounter, 168 mSDsCounter, 0 mSdLazyCounter, 18 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 146 SdHoareTripleChecker+Valid, 356 SdHoareTripleChecker+Invalid, 24 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 18 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-03 05:42:30,820 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [146 Valid, 356 Invalid, 24 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 18 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-03 05:42:30,821 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 580 states. [2024-11-03 05:42:30,828 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 580 to 580. [2024-11-03 05:42:30,829 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 580 states, 579 states have (on average 1.4438687392055267) internal successors, (836), 579 states have internal predecessors, (836), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-03 05:42:30,831 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 580 states to 580 states and 836 transitions. [2024-11-03 05:42:30,831 INFO L78 Accepts]: Start accepts. Automaton has 580 states and 836 transitions. Word has length 121 [2024-11-03 05:42:30,831 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-03 05:42:30,831 INFO L471 AbstractCegarLoop]: Abstraction has 580 states and 836 transitions. [2024-11-03 05:42:30,831 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 32.0) internal successors, (96), 3 states have internal predecessors, (96), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-03 05:42:30,831 INFO L276 IsEmpty]: Start isEmpty. Operand 580 states and 836 transitions. [2024-11-03 05:42:30,832 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 123 [2024-11-03 05:42:30,832 INFO L207 NwaCegarLoop]: Found error trace [2024-11-03 05:42:30,832 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-03 05:42:30,836 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc5 --incremental --print-success --lang smt (7)] Forceful destruction successful, exit code 0 [2024-11-03 05:42:31,034 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc5 --incremental --print-success --lang smt [2024-11-03 05:42:31,035 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-03 05:42:31,035 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-03 05:42:31,035 INFO L85 PathProgramCache]: Analyzing trace with hash -817546628, now seen corresponding path program 1 times [2024-11-03 05:42:31,035 INFO L118 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2024-11-03 05:42:31,035 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1364462251] [2024-11-03 05:42:31,035 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-03 05:42:31,036 INFO L173 SolverBuilder]: Constructing external solver with command: cvc5 --incremental --print-success --lang smt [2024-11-03 05:42:31,036 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc5 [2024-11-03 05:42:31,037 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc5 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-03 05:42:31,037 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc5 --incremental --print-success --lang smt (8)] Waiting until timeout for monitored process [2024-11-03 05:42:31,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-03 05:42:31,102 INFO L255 TraceCheckSpWp]: Trace formula consists of 152 conjuncts, 33 conjuncts are in the unsatisfiable core [2024-11-03 05:42:31,107 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-03 05:42:31,221 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 58 proven. 12 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2024-11-03 05:42:31,221 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-03 05:42:31,275 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 62 proven. 0 refuted. 0 times theorem prover too weak. 38 trivial. 0 not checked. [2024-11-03 05:42:31,275 INFO L136 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2024-11-03 05:42:31,275 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1364462251] [2024-11-03 05:42:31,275 INFO L158 FreeRefinementEngine]: IpTcStrategyModulePreferences [1364462251] provided 1 perfect and 1 imperfect interpolant sequences [2024-11-03 05:42:31,275 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-03 05:42:31,275 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [6] total 7 [2024-11-03 05:42:31,275 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1180412219] [2024-11-03 05:42:31,275 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-03 05:42:31,276 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-03 05:42:31,276 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2024-11-03 05:42:31,276 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-03 05:42:31,276 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2024-11-03 05:42:31,276 INFO L87 Difference]: Start difference. First operand 580 states and 836 transitions. Second operand has 3 states, 3 states have (on average 32.333333333333336) internal successors, (97), 3 states have internal predecessors, (97), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-03 05:42:31,290 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-03 05:42:31,291 INFO L93 Difference]: Finished difference Result 582 states and 837 transitions. [2024-11-03 05:42:31,291 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-03 05:42:31,291 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 32.333333333333336) internal successors, (97), 3 states have internal predecessors, (97), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 122 [2024-11-03 05:42:31,291 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-03 05:42:31,293 INFO L225 Difference]: With dead ends: 582 [2024-11-03 05:42:31,293 INFO L226 Difference]: Without dead ends: 580 [2024-11-03 05:42:31,293 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 242 GetRequests, 237 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2024-11-03 05:42:31,294 INFO L432 NwaCegarLoop]: 183 mSDtfsCounter, 145 mSDsluCounter, 2 mSDsCounter, 0 mSdLazyCounter, 12 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 145 SdHoareTripleChecker+Valid, 185 SdHoareTripleChecker+Invalid, 16 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 12 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-03 05:42:31,294 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [145 Valid, 185 Invalid, 16 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 12 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-03 05:42:31,295 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 580 states. [2024-11-03 05:42:31,301 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 580 to 580. [2024-11-03 05:42:31,302 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 580 states, 579 states have (on average 1.4421416234887738) internal successors, (835), 579 states have internal predecessors, (835), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-03 05:42:31,303 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 580 states to 580 states and 835 transitions. [2024-11-03 05:42:31,303 INFO L78 Accepts]: Start accepts. Automaton has 580 states and 835 transitions. Word has length 122 [2024-11-03 05:42:31,304 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-03 05:42:31,304 INFO L471 AbstractCegarLoop]: Abstraction has 580 states and 835 transitions. [2024-11-03 05:42:31,304 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 32.333333333333336) internal successors, (97), 3 states have internal predecessors, (97), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-03 05:42:31,304 INFO L276 IsEmpty]: Start isEmpty. Operand 580 states and 835 transitions. [2024-11-03 05:42:31,305 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 161 [2024-11-03 05:42:31,305 INFO L207 NwaCegarLoop]: Found error trace [2024-11-03 05:42:31,305 INFO L215 NwaCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-03 05:42:31,308 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc5 --incremental --print-success --lang smt (8)] Ended with exit code 0 [2024-11-03 05:42:31,507 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc5 --incremental --print-success --lang smt [2024-11-03 05:42:31,507 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-03 05:42:31,508 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-03 05:42:31,508 INFO L85 PathProgramCache]: Analyzing trace with hash 376211994, now seen corresponding path program 1 times [2024-11-03 05:42:31,508 INFO L118 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2024-11-03 05:42:31,508 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1274708581] [2024-11-03 05:42:31,508 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-03 05:42:31,508 INFO L173 SolverBuilder]: Constructing external solver with command: cvc5 --incremental --print-success --lang smt [2024-11-03 05:42:31,508 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc5 [2024-11-03 05:42:31,510 INFO L229 MonitoredProcess]: Starting monitored process 9 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc5 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-03 05:42:31,512 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc5 --incremental --print-success --lang smt (9)] Waiting until timeout for monitored process [2024-11-03 05:42:31,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-03 05:42:31,573 INFO L255 TraceCheckSpWp]: Trace formula consists of 192 conjuncts, 32 conjuncts are in the unsatisfiable core [2024-11-03 05:42:31,577 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-03 05:42:31,644 INFO L134 CoverageAnalysis]: Checked inductivity of 193 backedges. 151 proven. 12 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2024-11-03 05:42:31,644 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-03 05:42:31,690 INFO L134 CoverageAnalysis]: Checked inductivity of 193 backedges. 155 proven. 0 refuted. 0 times theorem prover too weak. 38 trivial. 0 not checked. [2024-11-03 05:42:31,691 INFO L136 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2024-11-03 05:42:31,691 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1274708581] [2024-11-03 05:42:31,691 INFO L158 FreeRefinementEngine]: IpTcStrategyModulePreferences [1274708581] provided 1 perfect and 1 imperfect interpolant sequences [2024-11-03 05:42:31,691 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-03 05:42:31,691 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [5] total 6 [2024-11-03 05:42:31,691 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1700778982] [2024-11-03 05:42:31,691 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-03 05:42:31,692 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-03 05:42:31,692 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2024-11-03 05:42:31,693 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-03 05:42:31,693 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2024-11-03 05:42:31,694 INFO L87 Difference]: Start difference. First operand 580 states and 835 transitions. Second operand has 3 states, 3 states have (on average 45.0) internal successors, (135), 3 states have internal predecessors, (135), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-03 05:42:31,816 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-03 05:42:31,817 INFO L93 Difference]: Finished difference Result 1304 states and 1946 transitions. [2024-11-03 05:42:31,817 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-03 05:42:31,817 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 45.0) internal successors, (135), 3 states have internal predecessors, (135), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 160 [2024-11-03 05:42:31,818 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-03 05:42:31,820 INFO L225 Difference]: With dead ends: 1304 [2024-11-03 05:42:31,820 INFO L226 Difference]: Without dead ends: 732 [2024-11-03 05:42:31,821 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 318 GetRequests, 314 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2024-11-03 05:42:31,822 INFO L432 NwaCegarLoop]: 123 mSDtfsCounter, 44 mSDsluCounter, 73 mSDsCounter, 0 mSdLazyCounter, 134 mSolverCounterSat, 28 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 44 SdHoareTripleChecker+Valid, 196 SdHoareTripleChecker+Invalid, 162 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 28 IncrementalHoareTripleChecker+Valid, 134 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-03 05:42:31,822 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [44 Valid, 196 Invalid, 162 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [28 Valid, 134 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-03 05:42:31,823 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 732 states. [2024-11-03 05:42:31,834 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 732 to 732. [2024-11-03 05:42:31,835 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 732 states, 731 states have (on average 1.5307797537619698) internal successors, (1119), 731 states have internal predecessors, (1119), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-03 05:42:31,836 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 732 states to 732 states and 1119 transitions. [2024-11-03 05:42:31,836 INFO L78 Accepts]: Start accepts. Automaton has 732 states and 1119 transitions. Word has length 160 [2024-11-03 05:42:31,837 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-03 05:42:31,837 INFO L471 AbstractCegarLoop]: Abstraction has 732 states and 1119 transitions. [2024-11-03 05:42:31,837 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 45.0) internal successors, (135), 3 states have internal predecessors, (135), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-03 05:42:31,837 INFO L276 IsEmpty]: Start isEmpty. Operand 732 states and 1119 transitions. [2024-11-03 05:42:31,838 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 162 [2024-11-03 05:42:31,838 INFO L207 NwaCegarLoop]: Found error trace [2024-11-03 05:42:31,838 INFO L215 NwaCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-03 05:42:31,841 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc5 --incremental --print-success --lang smt (9)] Ended with exit code 0 [2024-11-03 05:42:32,040 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc5 --incremental --print-success --lang smt [2024-11-03 05:42:32,040 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-03 05:42:32,041 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-03 05:42:32,041 INFO L85 PathProgramCache]: Analyzing trace with hash -1055117150, now seen corresponding path program 1 times [2024-11-03 05:42:32,041 INFO L118 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2024-11-03 05:42:32,041 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1906463839] [2024-11-03 05:42:32,041 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-03 05:42:32,041 INFO L173 SolverBuilder]: Constructing external solver with command: cvc5 --incremental --print-success --lang smt [2024-11-03 05:42:32,041 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc5 [2024-11-03 05:42:32,043 INFO L229 MonitoredProcess]: Starting monitored process 10 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc5 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-03 05:42:32,044 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc5 --incremental --print-success --lang smt (10)] Waiting until timeout for monitored process [2024-11-03 05:42:32,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-03 05:42:32,111 INFO L255 TraceCheckSpWp]: Trace formula consists of 193 conjuncts, 32 conjuncts are in the unsatisfiable core [2024-11-03 05:42:32,115 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-03 05:42:32,187 INFO L134 CoverageAnalysis]: Checked inductivity of 195 backedges. 147 proven. 18 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2024-11-03 05:42:32,187 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-03 05:42:32,230 INFO L134 CoverageAnalysis]: Checked inductivity of 195 backedges. 157 proven. 0 refuted. 0 times theorem prover too weak. 38 trivial. 0 not checked. [2024-11-03 05:42:32,230 INFO L136 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2024-11-03 05:42:32,230 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1906463839] [2024-11-03 05:42:32,230 INFO L158 FreeRefinementEngine]: IpTcStrategyModulePreferences [1906463839] provided 1 perfect and 1 imperfect interpolant sequences [2024-11-03 05:42:32,230 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-03 05:42:32,230 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [6] total 7 [2024-11-03 05:42:32,231 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1379770608] [2024-11-03 05:42:32,231 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-03 05:42:32,231 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-03 05:42:32,231 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2024-11-03 05:42:32,231 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-03 05:42:32,231 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2024-11-03 05:42:32,232 INFO L87 Difference]: Start difference. First operand 732 states and 1119 transitions. Second operand has 3 states, 3 states have (on average 45.333333333333336) internal successors, (136), 3 states have internal predecessors, (136), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-03 05:42:32,374 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-03 05:42:32,374 INFO L93 Difference]: Finished difference Result 1458 states and 2230 transitions. [2024-11-03 05:42:32,374 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-03 05:42:32,374 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 45.333333333333336) internal successors, (136), 3 states have internal predecessors, (136), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 161 [2024-11-03 05:42:32,375 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-03 05:42:32,376 INFO L225 Difference]: With dead ends: 1458 [2024-11-03 05:42:32,377 INFO L226 Difference]: Without dead ends: 734 [2024-11-03 05:42:32,377 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 320 GetRequests, 315 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2024-11-03 05:42:32,378 INFO L432 NwaCegarLoop]: 124 mSDtfsCounter, 43 mSDsluCounter, 73 mSDsCounter, 0 mSdLazyCounter, 135 mSolverCounterSat, 29 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 43 SdHoareTripleChecker+Valid, 197 SdHoareTripleChecker+Invalid, 164 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 29 IncrementalHoareTripleChecker+Valid, 135 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-03 05:42:32,378 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [43 Valid, 197 Invalid, 164 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [29 Valid, 135 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-03 05:42:32,378 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 734 states. [2024-11-03 05:42:32,387 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 734 to 734. [2024-11-03 05:42:32,388 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 734 states, 733 states have (on average 1.5266030013642564) internal successors, (1119), 733 states have internal predecessors, (1119), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-03 05:42:32,389 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 734 states to 734 states and 1119 transitions. [2024-11-03 05:42:32,389 INFO L78 Accepts]: Start accepts. Automaton has 734 states and 1119 transitions. Word has length 161 [2024-11-03 05:42:32,389 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-03 05:42:32,390 INFO L471 AbstractCegarLoop]: Abstraction has 734 states and 1119 transitions. [2024-11-03 05:42:32,390 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 45.333333333333336) internal successors, (136), 3 states have internal predecessors, (136), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-03 05:42:32,390 INFO L276 IsEmpty]: Start isEmpty. Operand 734 states and 1119 transitions. [2024-11-03 05:42:32,391 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 190 [2024-11-03 05:42:32,391 INFO L207 NwaCegarLoop]: Found error trace [2024-11-03 05:42:32,391 INFO L215 NwaCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-03 05:42:32,393 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc5 --incremental --print-success --lang smt (10)] Ended with exit code 0 [2024-11-03 05:42:32,593 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc5 --incremental --print-success --lang smt [2024-11-03 05:42:32,593 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-03 05:42:32,593 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-03 05:42:32,593 INFO L85 PathProgramCache]: Analyzing trace with hash -971233574, now seen corresponding path program 1 times [2024-11-03 05:42:32,593 INFO L118 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2024-11-03 05:42:32,594 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1020734651] [2024-11-03 05:42:32,594 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-03 05:42:32,594 INFO L173 SolverBuilder]: Constructing external solver with command: cvc5 --incremental --print-success --lang smt [2024-11-03 05:42:32,594 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc5 [2024-11-03 05:42:32,595 INFO L229 MonitoredProcess]: Starting monitored process 11 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc5 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-03 05:42:32,595 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc5 --incremental --print-success --lang smt (11)] Waiting until timeout for monitored process [2024-11-03 05:42:32,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-03 05:42:32,660 INFO L255 TraceCheckSpWp]: Trace formula consists of 221 conjuncts, 32 conjuncts are in the unsatisfiable core [2024-11-03 05:42:32,663 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-03 05:42:32,715 INFO L134 CoverageAnalysis]: Checked inductivity of 298 backedges. 223 proven. 12 refuted. 0 times theorem prover too weak. 63 trivial. 0 not checked. [2024-11-03 05:42:32,716 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-03 05:42:32,751 INFO L134 CoverageAnalysis]: Checked inductivity of 298 backedges. 227 proven. 0 refuted. 0 times theorem prover too weak. 71 trivial. 0 not checked. [2024-11-03 05:42:32,751 INFO L136 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2024-11-03 05:42:32,751 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1020734651] [2024-11-03 05:42:32,751 INFO L158 FreeRefinementEngine]: IpTcStrategyModulePreferences [1020734651] provided 1 perfect and 1 imperfect interpolant sequences [2024-11-03 05:42:32,751 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-03 05:42:32,751 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [5] total 6 [2024-11-03 05:42:32,751 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1805269360] [2024-11-03 05:42:32,751 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-03 05:42:32,752 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-03 05:42:32,752 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2024-11-03 05:42:32,752 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-03 05:42:32,752 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2024-11-03 05:42:32,752 INFO L87 Difference]: Start difference. First operand 734 states and 1119 transitions. Second operand has 3 states, 3 states have (on average 44.0) internal successors, (132), 3 states have internal predecessors, (132), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-03 05:42:32,858 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-03 05:42:32,859 INFO L93 Difference]: Finished difference Result 1522 states and 2342 transitions. [2024-11-03 05:42:32,859 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-03 05:42:32,859 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 44.0) internal successors, (132), 3 states have internal predecessors, (132), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 189 [2024-11-03 05:42:32,859 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-03 05:42:32,861 INFO L225 Difference]: With dead ends: 1522 [2024-11-03 05:42:32,861 INFO L226 Difference]: Without dead ends: 796 [2024-11-03 05:42:32,862 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 376 GetRequests, 372 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2024-11-03 05:42:32,862 INFO L432 NwaCegarLoop]: 123 mSDtfsCounter, 48 mSDsluCounter, 76 mSDsCounter, 0 mSdLazyCounter, 130 mSolverCounterSat, 25 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 48 SdHoareTripleChecker+Valid, 199 SdHoareTripleChecker+Invalid, 155 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 25 IncrementalHoareTripleChecker+Valid, 130 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-03 05:42:32,863 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [48 Valid, 199 Invalid, 155 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [25 Valid, 130 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-03 05:42:32,863 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 796 states. [2024-11-03 05:42:32,872 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 796 to 796. [2024-11-03 05:42:32,873 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 796 states, 795 states have (on average 1.5459119496855347) internal successors, (1229), 795 states have internal predecessors, (1229), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-03 05:42:32,875 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 796 states to 796 states and 1229 transitions. [2024-11-03 05:42:32,875 INFO L78 Accepts]: Start accepts. Automaton has 796 states and 1229 transitions. Word has length 189 [2024-11-03 05:42:32,875 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-03 05:42:32,875 INFO L471 AbstractCegarLoop]: Abstraction has 796 states and 1229 transitions. [2024-11-03 05:42:32,875 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 44.0) internal successors, (132), 3 states have internal predecessors, (132), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-03 05:42:32,875 INFO L276 IsEmpty]: Start isEmpty. Operand 796 states and 1229 transitions. [2024-11-03 05:42:32,877 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 194 [2024-11-03 05:42:32,877 INFO L207 NwaCegarLoop]: Found error trace [2024-11-03 05:42:32,877 INFO L215 NwaCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-03 05:42:32,879 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc5 --incremental --print-success --lang smt (11)] Forceful destruction successful, exit code 0 [2024-11-03 05:42:33,077 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc5 --incremental --print-success --lang smt [2024-11-03 05:42:33,078 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-03 05:42:33,078 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-03 05:42:33,078 INFO L85 PathProgramCache]: Analyzing trace with hash -457334827, now seen corresponding path program 1 times [2024-11-03 05:42:33,078 INFO L118 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2024-11-03 05:42:33,078 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1693993388] [2024-11-03 05:42:33,078 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-03 05:42:33,078 INFO L173 SolverBuilder]: Constructing external solver with command: cvc5 --incremental --print-success --lang smt [2024-11-03 05:42:33,078 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc5 [2024-11-03 05:42:33,081 INFO L229 MonitoredProcess]: Starting monitored process 12 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc5 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-03 05:42:33,081 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc5 --incremental --print-success --lang smt (12)] Waiting until timeout for monitored process [2024-11-03 05:42:33,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-03 05:42:33,148 INFO L255 TraceCheckSpWp]: Trace formula consists of 227 conjuncts, 32 conjuncts are in the unsatisfiable core [2024-11-03 05:42:33,151 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-03 05:42:33,215 INFO L134 CoverageAnalysis]: Checked inductivity of 313 backedges. 232 proven. 18 refuted. 0 times theorem prover too weak. 63 trivial. 0 not checked. [2024-11-03 05:42:33,216 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-03 05:42:33,254 INFO L134 CoverageAnalysis]: Checked inductivity of 313 backedges. 242 proven. 0 refuted. 0 times theorem prover too weak. 71 trivial. 0 not checked. [2024-11-03 05:42:33,254 INFO L136 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2024-11-03 05:42:33,254 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1693993388] [2024-11-03 05:42:33,254 INFO L158 FreeRefinementEngine]: IpTcStrategyModulePreferences [1693993388] provided 1 perfect and 1 imperfect interpolant sequences [2024-11-03 05:42:33,254 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-03 05:42:33,254 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [6] total 7 [2024-11-03 05:42:33,255 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1190424737] [2024-11-03 05:42:33,255 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-03 05:42:33,255 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-03 05:42:33,255 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2024-11-03 05:42:33,255 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-03 05:42:33,255 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2024-11-03 05:42:33,256 INFO L87 Difference]: Start difference. First operand 796 states and 1229 transitions. Second operand has 3 states, 3 states have (on average 45.333333333333336) internal successors, (136), 3 states have internal predecessors, (136), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-03 05:42:33,369 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-03 05:42:33,369 INFO L93 Difference]: Finished difference Result 1656 states and 2580 transitions. [2024-11-03 05:42:33,369 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-03 05:42:33,369 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 45.333333333333336) internal successors, (136), 3 states have internal predecessors, (136), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 193 [2024-11-03 05:42:33,370 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-03 05:42:33,372 INFO L225 Difference]: With dead ends: 1656 [2024-11-03 05:42:33,372 INFO L226 Difference]: Without dead ends: 868 [2024-11-03 05:42:33,373 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 384 GetRequests, 379 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2024-11-03 05:42:33,373 INFO L432 NwaCegarLoop]: 123 mSDtfsCounter, 46 mSDsluCounter, 73 mSDsCounter, 0 mSdLazyCounter, 132 mSolverCounterSat, 28 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 46 SdHoareTripleChecker+Valid, 196 SdHoareTripleChecker+Invalid, 160 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 28 IncrementalHoareTripleChecker+Valid, 132 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-03 05:42:33,373 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [46 Valid, 196 Invalid, 160 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [28 Valid, 132 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-03 05:42:33,374 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 868 states. [2024-11-03 05:42:33,384 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 868 to 868. [2024-11-03 05:42:33,385 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 868 states, 867 states have (on average 1.5651672433679353) internal successors, (1357), 867 states have internal predecessors, (1357), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-03 05:42:33,387 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 868 states to 868 states and 1357 transitions. [2024-11-03 05:42:33,387 INFO L78 Accepts]: Start accepts. Automaton has 868 states and 1357 transitions. Word has length 193 [2024-11-03 05:42:33,387 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-03 05:42:33,387 INFO L471 AbstractCegarLoop]: Abstraction has 868 states and 1357 transitions. [2024-11-03 05:42:33,387 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 45.333333333333336) internal successors, (136), 3 states have internal predecessors, (136), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-03 05:42:33,388 INFO L276 IsEmpty]: Start isEmpty. Operand 868 states and 1357 transitions. [2024-11-03 05:42:33,389 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 195 [2024-11-03 05:42:33,389 INFO L207 NwaCegarLoop]: Found error trace [2024-11-03 05:42:33,389 INFO L215 NwaCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-03 05:42:33,392 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc5 --incremental --print-success --lang smt (12)] Forceful destruction successful, exit code 0 [2024-11-03 05:42:33,591 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc5 --incremental --print-success --lang smt [2024-11-03 05:42:33,591 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-03 05:42:33,591 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-03 05:42:33,591 INFO L85 PathProgramCache]: Analyzing trace with hash -438616339, now seen corresponding path program 1 times [2024-11-03 05:42:33,591 INFO L118 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2024-11-03 05:42:33,592 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2048235013] [2024-11-03 05:42:33,592 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-03 05:42:33,592 INFO L173 SolverBuilder]: Constructing external solver with command: cvc5 --incremental --print-success --lang smt [2024-11-03 05:42:33,592 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc5 [2024-11-03 05:42:33,593 INFO L229 MonitoredProcess]: Starting monitored process 13 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc5 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-03 05:42:33,593 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc5 --incremental --print-success --lang smt (13)] Waiting until timeout for monitored process [2024-11-03 05:42:33,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-03 05:42:33,665 INFO L255 TraceCheckSpWp]: Trace formula consists of 228 conjuncts, 32 conjuncts are in the unsatisfiable core [2024-11-03 05:42:33,668 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-03 05:42:33,735 INFO L134 CoverageAnalysis]: Checked inductivity of 316 backedges. 235 proven. 18 refuted. 0 times theorem prover too weak. 63 trivial. 0 not checked. [2024-11-03 05:42:33,736 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-03 05:42:33,777 INFO L134 CoverageAnalysis]: Checked inductivity of 316 backedges. 245 proven. 0 refuted. 0 times theorem prover too weak. 71 trivial. 0 not checked. [2024-11-03 05:42:33,777 INFO L136 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2024-11-03 05:42:33,777 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2048235013] [2024-11-03 05:42:33,777 INFO L158 FreeRefinementEngine]: IpTcStrategyModulePreferences [2048235013] provided 1 perfect and 1 imperfect interpolant sequences [2024-11-03 05:42:33,777 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-03 05:42:33,777 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [6] total 7 [2024-11-03 05:42:33,777 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [561252671] [2024-11-03 05:42:33,777 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-03 05:42:33,778 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-03 05:42:33,778 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2024-11-03 05:42:33,778 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-03 05:42:33,778 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2024-11-03 05:42:33,778 INFO L87 Difference]: Start difference. First operand 868 states and 1357 transitions. Second operand has 3 states, 3 states have (on average 45.666666666666664) internal successors, (137), 3 states have internal predecessors, (137), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-03 05:42:33,890 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-03 05:42:33,890 INFO L93 Difference]: Finished difference Result 1728 states and 2702 transitions. [2024-11-03 05:42:33,890 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-03 05:42:33,890 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 45.666666666666664) internal successors, (137), 3 states have internal predecessors, (137), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 194 [2024-11-03 05:42:33,890 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-03 05:42:33,893 INFO L225 Difference]: With dead ends: 1728 [2024-11-03 05:42:33,893 INFO L226 Difference]: Without dead ends: 868 [2024-11-03 05:42:33,893 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 386 GetRequests, 381 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2024-11-03 05:42:33,894 INFO L432 NwaCegarLoop]: 123 mSDtfsCounter, 45 mSDsluCounter, 73 mSDsCounter, 0 mSdLazyCounter, 132 mSolverCounterSat, 29 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 45 SdHoareTripleChecker+Valid, 196 SdHoareTripleChecker+Invalid, 161 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 29 IncrementalHoareTripleChecker+Valid, 132 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-03 05:42:33,895 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [45 Valid, 196 Invalid, 161 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [29 Valid, 132 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-03 05:42:33,895 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 868 states. [2024-11-03 05:42:33,919 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 868 to 868. [2024-11-03 05:42:33,920 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 868 states, 867 states have (on average 1.558246828143022) internal successors, (1351), 867 states have internal predecessors, (1351), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-03 05:42:33,922 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 868 states to 868 states and 1351 transitions. [2024-11-03 05:42:33,922 INFO L78 Accepts]: Start accepts. Automaton has 868 states and 1351 transitions. Word has length 194 [2024-11-03 05:42:33,922 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-03 05:42:33,922 INFO L471 AbstractCegarLoop]: Abstraction has 868 states and 1351 transitions. [2024-11-03 05:42:33,922 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 45.666666666666664) internal successors, (137), 3 states have internal predecessors, (137), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-03 05:42:33,922 INFO L276 IsEmpty]: Start isEmpty. Operand 868 states and 1351 transitions. [2024-11-03 05:42:33,924 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 202 [2024-11-03 05:42:33,924 INFO L207 NwaCegarLoop]: Found error trace [2024-11-03 05:42:33,924 INFO L215 NwaCegarLoop]: trace histogram [7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-03 05:42:33,926 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc5 --incremental --print-success --lang smt (13)] Ended with exit code 0 [2024-11-03 05:42:34,125 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc5 --incremental --print-success --lang smt [2024-11-03 05:42:34,126 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-03 05:42:34,126 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-03 05:42:34,126 INFO L85 PathProgramCache]: Analyzing trace with hash -1564977424, now seen corresponding path program 1 times [2024-11-03 05:42:34,126 INFO L118 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2024-11-03 05:42:34,126 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1301905753] [2024-11-03 05:42:34,126 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-03 05:42:34,127 INFO L173 SolverBuilder]: Constructing external solver with command: cvc5 --incremental --print-success --lang smt [2024-11-03 05:42:34,127 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc5 [2024-11-03 05:42:34,129 INFO L229 MonitoredProcess]: Starting monitored process 14 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc5 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-03 05:42:34,130 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc5 --incremental --print-success --lang smt (14)] Waiting until timeout for monitored process [2024-11-03 05:42:34,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-03 05:42:34,198 INFO L255 TraceCheckSpWp]: Trace formula consists of 236 conjuncts, 32 conjuncts are in the unsatisfiable core [2024-11-03 05:42:34,202 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-03 05:42:34,238 INFO L134 CoverageAnalysis]: Checked inductivity of 356 backedges. 229 proven. 12 refuted. 0 times theorem prover too weak. 115 trivial. 0 not checked. [2024-11-03 05:42:34,238 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-03 05:42:34,256 INFO L134 CoverageAnalysis]: Checked inductivity of 356 backedges. 233 proven. 0 refuted. 0 times theorem prover too weak. 123 trivial. 0 not checked. [2024-11-03 05:42:34,256 INFO L136 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2024-11-03 05:42:34,256 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1301905753] [2024-11-03 05:42:34,256 INFO L158 FreeRefinementEngine]: IpTcStrategyModulePreferences [1301905753] provided 1 perfect and 1 imperfect interpolant sequences [2024-11-03 05:42:34,256 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-03 05:42:34,256 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [5] total 6 [2024-11-03 05:42:34,257 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1743626250] [2024-11-03 05:42:34,257 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-03 05:42:34,257 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-03 05:42:34,257 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2024-11-03 05:42:34,257 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-03 05:42:34,257 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2024-11-03 05:42:34,258 INFO L87 Difference]: Start difference. First operand 868 states and 1351 transitions. Second operand has 3 states, 3 states have (on average 39.666666666666664) internal successors, (119), 3 states have internal predecessors, (119), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-03 05:42:34,354 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-03 05:42:34,354 INFO L93 Difference]: Finished difference Result 1758 states and 2742 transitions. [2024-11-03 05:42:34,354 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-03 05:42:34,354 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 39.666666666666664) internal successors, (119), 3 states have internal predecessors, (119), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 201 [2024-11-03 05:42:34,355 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-03 05:42:34,357 INFO L225 Difference]: With dead ends: 1758 [2024-11-03 05:42:34,357 INFO L226 Difference]: Without dead ends: 898 [2024-11-03 05:42:34,358 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 400 GetRequests, 396 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2024-11-03 05:42:34,358 INFO L432 NwaCegarLoop]: 123 mSDtfsCounter, 67 mSDsluCounter, 73 mSDsCounter, 0 mSdLazyCounter, 111 mSolverCounterSat, 28 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 67 SdHoareTripleChecker+Valid, 196 SdHoareTripleChecker+Invalid, 139 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 28 IncrementalHoareTripleChecker+Valid, 111 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-03 05:42:34,358 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [67 Valid, 196 Invalid, 139 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [28 Valid, 111 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-03 05:42:34,359 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 898 states. [2024-11-03 05:42:34,369 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 898 to 898. [2024-11-03 05:42:34,370 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 898 states, 897 states have (on average 1.5529542920847268) internal successors, (1393), 897 states have internal predecessors, (1393), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-03 05:42:34,372 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 898 states to 898 states and 1393 transitions. [2024-11-03 05:42:34,372 INFO L78 Accepts]: Start accepts. Automaton has 898 states and 1393 transitions. Word has length 201 [2024-11-03 05:42:34,372 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-03 05:42:34,372 INFO L471 AbstractCegarLoop]: Abstraction has 898 states and 1393 transitions. [2024-11-03 05:42:34,372 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 39.666666666666664) internal successors, (119), 3 states have internal predecessors, (119), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-03 05:42:34,372 INFO L276 IsEmpty]: Start isEmpty. Operand 898 states and 1393 transitions. [2024-11-03 05:42:34,373 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 203 [2024-11-03 05:42:34,373 INFO L207 NwaCegarLoop]: Found error trace [2024-11-03 05:42:34,374 INFO L215 NwaCegarLoop]: trace histogram [7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 6, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-03 05:42:34,377 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc5 --incremental --print-success --lang smt (14)] Forceful destruction successful, exit code 0 [2024-11-03 05:42:34,575 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc5 --incremental --print-success --lang smt [2024-11-03 05:42:34,575 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-03 05:42:34,576 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-03 05:42:34,576 INFO L85 PathProgramCache]: Analyzing trace with hash 800253997, now seen corresponding path program 1 times [2024-11-03 05:42:34,577 INFO L118 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2024-11-03 05:42:34,577 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [759854176] [2024-11-03 05:42:34,577 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-03 05:42:34,577 INFO L173 SolverBuilder]: Constructing external solver with command: cvc5 --incremental --print-success --lang smt [2024-11-03 05:42:34,577 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc5 [2024-11-03 05:42:34,580 INFO L229 MonitoredProcess]: Starting monitored process 15 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc5 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-03 05:42:34,580 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc5 --incremental --print-success --lang smt (15)] Waiting until timeout for monitored process [2024-11-03 05:42:34,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-03 05:42:34,657 INFO L255 TraceCheckSpWp]: Trace formula consists of 237 conjuncts, 32 conjuncts are in the unsatisfiable core [2024-11-03 05:42:34,661 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-03 05:42:34,702 INFO L134 CoverageAnalysis]: Checked inductivity of 362 backedges. 235 proven. 12 refuted. 0 times theorem prover too weak. 115 trivial. 0 not checked. [2024-11-03 05:42:34,702 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-03 05:42:34,726 INFO L134 CoverageAnalysis]: Checked inductivity of 362 backedges. 239 proven. 0 refuted. 0 times theorem prover too weak. 123 trivial. 0 not checked. [2024-11-03 05:42:34,727 INFO L136 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2024-11-03 05:42:34,727 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [759854176] [2024-11-03 05:42:34,727 INFO L158 FreeRefinementEngine]: IpTcStrategyModulePreferences [759854176] provided 1 perfect and 1 imperfect interpolant sequences [2024-11-03 05:42:34,727 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-03 05:42:34,727 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [5] total 6 [2024-11-03 05:42:34,727 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1817670129] [2024-11-03 05:42:34,727 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-03 05:42:34,728 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-03 05:42:34,728 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2024-11-03 05:42:34,728 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-03 05:42:34,728 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2024-11-03 05:42:34,728 INFO L87 Difference]: Start difference. First operand 898 states and 1393 transitions. Second operand has 3 states, 3 states have (on average 40.0) internal successors, (120), 3 states have internal predecessors, (120), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-03 05:42:34,833 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-03 05:42:34,833 INFO L93 Difference]: Finished difference Result 1788 states and 2774 transitions. [2024-11-03 05:42:34,834 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-03 05:42:34,834 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 40.0) internal successors, (120), 3 states have internal predecessors, (120), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 202 [2024-11-03 05:42:34,834 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-03 05:42:34,837 INFO L225 Difference]: With dead ends: 1788 [2024-11-03 05:42:34,837 INFO L226 Difference]: Without dead ends: 898 [2024-11-03 05:42:34,838 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 402 GetRequests, 398 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2024-11-03 05:42:34,838 INFO L432 NwaCegarLoop]: 123 mSDtfsCounter, 66 mSDsluCounter, 73 mSDsCounter, 0 mSdLazyCounter, 111 mSolverCounterSat, 29 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 66 SdHoareTripleChecker+Valid, 196 SdHoareTripleChecker+Invalid, 140 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 29 IncrementalHoareTripleChecker+Valid, 111 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-03 05:42:34,838 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [66 Valid, 196 Invalid, 140 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [29 Valid, 111 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-03 05:42:34,839 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 898 states. [2024-11-03 05:42:34,850 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 898 to 898. [2024-11-03 05:42:34,851 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 898 states, 897 states have (on average 1.5418060200668897) internal successors, (1383), 897 states have internal predecessors, (1383), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-03 05:42:34,852 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 898 states to 898 states and 1383 transitions. [2024-11-03 05:42:34,852 INFO L78 Accepts]: Start accepts. Automaton has 898 states and 1383 transitions. Word has length 202 [2024-11-03 05:42:34,853 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-03 05:42:34,853 INFO L471 AbstractCegarLoop]: Abstraction has 898 states and 1383 transitions. [2024-11-03 05:42:34,853 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 40.0) internal successors, (120), 3 states have internal predecessors, (120), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-03 05:42:34,853 INFO L276 IsEmpty]: Start isEmpty. Operand 898 states and 1383 transitions. [2024-11-03 05:42:34,854 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 215 [2024-11-03 05:42:34,854 INFO L207 NwaCegarLoop]: Found error trace [2024-11-03 05:42:34,855 INFO L215 NwaCegarLoop]: trace histogram [8, 8, 7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-03 05:42:34,858 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc5 --incremental --print-success --lang smt (15)] Ended with exit code 0 [2024-11-03 05:42:35,057 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 15 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc5 --incremental --print-success --lang smt [2024-11-03 05:42:35,057 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-03 05:42:35,057 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-03 05:42:35,057 INFO L85 PathProgramCache]: Analyzing trace with hash -1483080219, now seen corresponding path program 1 times [2024-11-03 05:42:35,058 INFO L118 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2024-11-03 05:42:35,058 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1137912705] [2024-11-03 05:42:35,058 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-03 05:42:35,058 INFO L173 SolverBuilder]: Constructing external solver with command: cvc5 --incremental --print-success --lang smt [2024-11-03 05:42:35,058 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc5 [2024-11-03 05:42:35,060 INFO L229 MonitoredProcess]: Starting monitored process 16 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc5 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-03 05:42:35,061 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc5 --incremental --print-success --lang smt (16)] Waiting until timeout for monitored process [2024-11-03 05:42:35,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-03 05:42:35,146 INFO L255 TraceCheckSpWp]: Trace formula consists of 253 conjuncts, 32 conjuncts are in the unsatisfiable core [2024-11-03 05:42:35,155 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-03 05:42:35,206 INFO L134 CoverageAnalysis]: Checked inductivity of 389 backedges. 226 proven. 18 refuted. 0 times theorem prover too weak. 145 trivial. 0 not checked. [2024-11-03 05:42:35,206 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-03 05:42:35,221 INFO L134 CoverageAnalysis]: Checked inductivity of 389 backedges. 236 proven. 0 refuted. 0 times theorem prover too weak. 153 trivial. 0 not checked. [2024-11-03 05:42:35,221 INFO L136 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2024-11-03 05:42:35,221 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1137912705] [2024-11-03 05:42:35,221 INFO L158 FreeRefinementEngine]: IpTcStrategyModulePreferences [1137912705] provided 1 perfect and 1 imperfect interpolant sequences [2024-11-03 05:42:35,221 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-03 05:42:35,221 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [6] total 7 [2024-11-03 05:42:35,222 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [189743852] [2024-11-03 05:42:35,222 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-03 05:42:35,222 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-03 05:42:35,222 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2024-11-03 05:42:35,223 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-03 05:42:35,223 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2024-11-03 05:42:35,223 INFO L87 Difference]: Start difference. First operand 898 states and 1383 transitions. Second operand has 3 states, 3 states have (on average 41.0) internal successors, (123), 3 states have internal predecessors, (123), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-03 05:42:35,312 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-03 05:42:35,312 INFO L93 Difference]: Finished difference Result 1804 states and 2776 transitions. [2024-11-03 05:42:35,312 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-03 05:42:35,313 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 41.0) internal successors, (123), 3 states have internal predecessors, (123), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 214 [2024-11-03 05:42:35,313 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-03 05:42:35,315 INFO L225 Difference]: With dead ends: 1804 [2024-11-03 05:42:35,315 INFO L226 Difference]: Without dead ends: 914 [2024-11-03 05:42:35,316 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 426 GetRequests, 421 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2024-11-03 05:42:35,318 INFO L432 NwaCegarLoop]: 124 mSDtfsCounter, 70 mSDsluCounter, 83 mSDsCounter, 0 mSdLazyCounter, 105 mSolverCounterSat, 25 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 70 SdHoareTripleChecker+Valid, 207 SdHoareTripleChecker+Invalid, 130 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 25 IncrementalHoareTripleChecker+Valid, 105 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-03 05:42:35,318 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [70 Valid, 207 Invalid, 130 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [25 Valid, 105 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-03 05:42:35,319 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 914 states. [2024-11-03 05:42:35,330 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 914 to 914. [2024-11-03 05:42:35,331 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 914 states, 913 states have (on average 1.5235487404162102) internal successors, (1391), 913 states have internal predecessors, (1391), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-03 05:42:35,333 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 914 states to 914 states and 1391 transitions. [2024-11-03 05:42:35,333 INFO L78 Accepts]: Start accepts. Automaton has 914 states and 1391 transitions. Word has length 214 [2024-11-03 05:42:35,333 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-03 05:42:35,333 INFO L471 AbstractCegarLoop]: Abstraction has 914 states and 1391 transitions. [2024-11-03 05:42:35,333 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 41.0) internal successors, (123), 3 states have internal predecessors, (123), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-03 05:42:35,333 INFO L276 IsEmpty]: Start isEmpty. Operand 914 states and 1391 transitions. [2024-11-03 05:42:35,335 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 216 [2024-11-03 05:42:35,335 INFO L207 NwaCegarLoop]: Found error trace [2024-11-03 05:42:35,335 INFO L215 NwaCegarLoop]: trace histogram [7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 3, 3, 3, 3, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-03 05:42:35,338 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc5 --incremental --print-success --lang smt (16)] Ended with exit code 0 [2024-11-03 05:42:35,537 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 16 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc5 --incremental --print-success --lang smt [2024-11-03 05:42:35,537 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-03 05:42:35,537 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-03 05:42:35,537 INFO L85 PathProgramCache]: Analyzing trace with hash -984142445, now seen corresponding path program 1 times [2024-11-03 05:42:35,538 INFO L118 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2024-11-03 05:42:35,538 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1061293247] [2024-11-03 05:42:35,538 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-03 05:42:35,538 INFO L173 SolverBuilder]: Constructing external solver with command: cvc5 --incremental --print-success --lang smt [2024-11-03 05:42:35,538 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc5 [2024-11-03 05:42:35,553 INFO L229 MonitoredProcess]: Starting monitored process 17 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc5 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-03 05:42:35,554 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc5 --incremental --print-success --lang smt (17)] Waiting until timeout for monitored process [2024-11-03 05:42:35,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-03 05:42:35,632 INFO L255 TraceCheckSpWp]: Trace formula consists of 250 conjuncts, 32 conjuncts are in the unsatisfiable core [2024-11-03 05:42:35,636 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-03 05:42:35,706 INFO L134 CoverageAnalysis]: Checked inductivity of 421 backedges. 288 proven. 18 refuted. 0 times theorem prover too weak. 115 trivial. 0 not checked. [2024-11-03 05:42:35,706 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-03 05:42:35,744 INFO L134 CoverageAnalysis]: Checked inductivity of 421 backedges. 298 proven. 0 refuted. 0 times theorem prover too weak. 123 trivial. 0 not checked. [2024-11-03 05:42:35,745 INFO L136 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2024-11-03 05:42:35,745 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1061293247] [2024-11-03 05:42:35,745 INFO L158 FreeRefinementEngine]: IpTcStrategyModulePreferences [1061293247] provided 1 perfect and 1 imperfect interpolant sequences [2024-11-03 05:42:35,745 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-03 05:42:35,745 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [6] total 7 [2024-11-03 05:42:35,745 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2057103362] [2024-11-03 05:42:35,745 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-03 05:42:35,746 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-03 05:42:35,746 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2024-11-03 05:42:35,746 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-03 05:42:35,746 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2024-11-03 05:42:35,746 INFO L87 Difference]: Start difference. First operand 914 states and 1391 transitions. Second operand has 3 states, 3 states have (on average 44.333333333333336) internal successors, (133), 3 states have internal predecessors, (133), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-03 05:42:35,868 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-03 05:42:35,868 INFO L93 Difference]: Finished difference Result 1878 states and 2872 transitions. [2024-11-03 05:42:35,868 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-03 05:42:35,869 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 44.333333333333336) internal successors, (133), 3 states have internal predecessors, (133), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 215 [2024-11-03 05:42:35,869 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-03 05:42:35,871 INFO L225 Difference]: With dead ends: 1878 [2024-11-03 05:42:35,871 INFO L226 Difference]: Without dead ends: 972 [2024-11-03 05:42:35,872 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 428 GetRequests, 423 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2024-11-03 05:42:35,873 INFO L432 NwaCegarLoop]: 126 mSDtfsCounter, 52 mSDsluCounter, 73 mSDsCounter, 0 mSdLazyCounter, 126 mSolverCounterSat, 26 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 52 SdHoareTripleChecker+Valid, 199 SdHoareTripleChecker+Invalid, 152 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 26 IncrementalHoareTripleChecker+Valid, 126 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-03 05:42:35,873 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [52 Valid, 199 Invalid, 152 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [26 Valid, 126 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-03 05:42:35,874 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 972 states. [2024-11-03 05:42:35,893 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 972 to 972. [2024-11-03 05:42:35,894 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 972 states, 971 states have (on average 1.5272914521112255) internal successors, (1483), 971 states have internal predecessors, (1483), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-03 05:42:35,895 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 972 states to 972 states and 1483 transitions. [2024-11-03 05:42:35,896 INFO L78 Accepts]: Start accepts. Automaton has 972 states and 1483 transitions. Word has length 215 [2024-11-03 05:42:35,896 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-03 05:42:35,896 INFO L471 AbstractCegarLoop]: Abstraction has 972 states and 1483 transitions. [2024-11-03 05:42:35,896 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 44.333333333333336) internal successors, (133), 3 states have internal predecessors, (133), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-03 05:42:35,896 INFO L276 IsEmpty]: Start isEmpty. Operand 972 states and 1483 transitions. [2024-11-03 05:42:35,898 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 217 [2024-11-03 05:42:35,898 INFO L207 NwaCegarLoop]: Found error trace [2024-11-03 05:42:35,898 INFO L215 NwaCegarLoop]: trace histogram [7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-03 05:42:35,900 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc5 --incremental --print-success --lang smt (17)] Ended with exit code 0 [2024-11-03 05:42:36,099 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 17 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc5 --incremental --print-success --lang smt [2024-11-03 05:42:36,100 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-03 05:42:36,100 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-03 05:42:36,100 INFO L85 PathProgramCache]: Analyzing trace with hash 1632470088, now seen corresponding path program 1 times [2024-11-03 05:42:36,100 INFO L118 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2024-11-03 05:42:36,100 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [3105869] [2024-11-03 05:42:36,100 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-03 05:42:36,100 INFO L173 SolverBuilder]: Constructing external solver with command: cvc5 --incremental --print-success --lang smt [2024-11-03 05:42:36,101 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc5 [2024-11-03 05:42:36,103 INFO L229 MonitoredProcess]: Starting monitored process 18 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc5 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-03 05:42:36,103 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc5 --incremental --print-success --lang smt (18)] Waiting until timeout for monitored process [2024-11-03 05:42:36,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-03 05:42:36,175 INFO L255 TraceCheckSpWp]: Trace formula consists of 251 conjuncts, 32 conjuncts are in the unsatisfiable core [2024-11-03 05:42:36,178 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-03 05:42:36,234 INFO L134 CoverageAnalysis]: Checked inductivity of 413 backedges. 280 proven. 18 refuted. 0 times theorem prover too weak. 115 trivial. 0 not checked. [2024-11-03 05:42:36,234 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-03 05:42:36,263 INFO L134 CoverageAnalysis]: Checked inductivity of 413 backedges. 290 proven. 0 refuted. 0 times theorem prover too weak. 123 trivial. 0 not checked. [2024-11-03 05:42:36,263 INFO L136 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2024-11-03 05:42:36,263 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [3105869] [2024-11-03 05:42:36,263 INFO L158 FreeRefinementEngine]: IpTcStrategyModulePreferences [3105869] provided 1 perfect and 1 imperfect interpolant sequences [2024-11-03 05:42:36,263 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-03 05:42:36,264 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [6] total 7 [2024-11-03 05:42:36,264 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [236206017] [2024-11-03 05:42:36,264 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-03 05:42:36,264 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-03 05:42:36,264 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2024-11-03 05:42:36,264 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-03 05:42:36,264 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2024-11-03 05:42:36,265 INFO L87 Difference]: Start difference. First operand 972 states and 1483 transitions. Second operand has 3 states, 3 states have (on average 44.666666666666664) internal successors, (134), 3 states have internal predecessors, (134), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-03 05:42:36,373 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-03 05:42:36,373 INFO L93 Difference]: Finished difference Result 1990 states and 3048 transitions. [2024-11-03 05:42:36,374 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-03 05:42:36,374 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 44.666666666666664) internal successors, (134), 3 states have internal predecessors, (134), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 216 [2024-11-03 05:42:36,374 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-03 05:42:36,377 INFO L225 Difference]: With dead ends: 1990 [2024-11-03 05:42:36,377 INFO L226 Difference]: Without dead ends: 1026 [2024-11-03 05:42:36,378 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 430 GetRequests, 425 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2024-11-03 05:42:36,378 INFO L432 NwaCegarLoop]: 126 mSDtfsCounter, 54 mSDsluCounter, 73 mSDsCounter, 0 mSdLazyCounter, 122 mSolverCounterSat, 28 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 54 SdHoareTripleChecker+Valid, 199 SdHoareTripleChecker+Invalid, 150 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 28 IncrementalHoareTripleChecker+Valid, 122 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-03 05:42:36,378 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [54 Valid, 199 Invalid, 150 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [28 Valid, 122 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-03 05:42:36,379 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1026 states. [2024-11-03 05:42:36,393 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1026 to 1026. [2024-11-03 05:42:36,394 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1026 states, 1025 states have (on average 1.526829268292683) internal successors, (1565), 1025 states have internal predecessors, (1565), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-03 05:42:36,396 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1026 states to 1026 states and 1565 transitions. [2024-11-03 05:42:36,396 INFO L78 Accepts]: Start accepts. Automaton has 1026 states and 1565 transitions. Word has length 216 [2024-11-03 05:42:36,396 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-03 05:42:36,396 INFO L471 AbstractCegarLoop]: Abstraction has 1026 states and 1565 transitions. [2024-11-03 05:42:36,396 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 44.666666666666664) internal successors, (134), 3 states have internal predecessors, (134), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-03 05:42:36,396 INFO L276 IsEmpty]: Start isEmpty. Operand 1026 states and 1565 transitions. [2024-11-03 05:42:36,398 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 217 [2024-11-03 05:42:36,398 INFO L207 NwaCegarLoop]: Found error trace [2024-11-03 05:42:36,398 INFO L215 NwaCegarLoop]: trace histogram [7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 3, 3, 3, 3, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-03 05:42:36,401 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc5 --incremental --print-success --lang smt (18)] Ended with exit code 0 [2024-11-03 05:42:36,600 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 18 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc5 --incremental --print-success --lang smt [2024-11-03 05:42:36,600 INFO L396 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-03 05:42:36,601 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-03 05:42:36,601 INFO L85 PathProgramCache]: Analyzing trace with hash 1598678128, now seen corresponding path program 1 times [2024-11-03 05:42:36,601 INFO L118 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2024-11-03 05:42:36,601 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1129766988] [2024-11-03 05:42:36,601 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-03 05:42:36,601 INFO L173 SolverBuilder]: Constructing external solver with command: cvc5 --incremental --print-success --lang smt [2024-11-03 05:42:36,601 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc5 [2024-11-03 05:42:36,604 INFO L229 MonitoredProcess]: Starting monitored process 19 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc5 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-03 05:42:36,605 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc5 --incremental --print-success --lang smt (19)] Waiting until timeout for monitored process [2024-11-03 05:42:36,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-03 05:42:36,687 INFO L255 TraceCheckSpWp]: Trace formula consists of 251 conjuncts, 32 conjuncts are in the unsatisfiable core [2024-11-03 05:42:36,698 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-03 05:42:36,766 INFO L134 CoverageAnalysis]: Checked inductivity of 425 backedges. 292 proven. 18 refuted. 0 times theorem prover too weak. 115 trivial. 0 not checked. [2024-11-03 05:42:36,766 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-03 05:42:36,806 INFO L134 CoverageAnalysis]: Checked inductivity of 425 backedges. 302 proven. 0 refuted. 0 times theorem prover too weak. 123 trivial. 0 not checked. [2024-11-03 05:42:36,806 INFO L136 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2024-11-03 05:42:36,806 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1129766988] [2024-11-03 05:42:36,807 INFO L158 FreeRefinementEngine]: IpTcStrategyModulePreferences [1129766988] provided 1 perfect and 1 imperfect interpolant sequences [2024-11-03 05:42:36,807 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-03 05:42:36,807 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [6] total 7 [2024-11-03 05:42:36,808 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1703161250] [2024-11-03 05:42:36,808 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-03 05:42:36,809 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-03 05:42:36,809 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2024-11-03 05:42:36,809 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-03 05:42:36,809 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2024-11-03 05:42:36,809 INFO L87 Difference]: Start difference. First operand 1026 states and 1565 transitions. Second operand has 3 states, 3 states have (on average 44.666666666666664) internal successors, (134), 3 states have internal predecessors, (134), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-03 05:42:36,911 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-03 05:42:36,911 INFO L93 Difference]: Finished difference Result 2044 states and 3118 transitions. [2024-11-03 05:42:36,912 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-03 05:42:36,912 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 44.666666666666664) internal successors, (134), 3 states have internal predecessors, (134), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 216 [2024-11-03 05:42:36,912 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-03 05:42:36,914 INFO L225 Difference]: With dead ends: 2044 [2024-11-03 05:42:36,914 INFO L226 Difference]: Without dead ends: 1026 [2024-11-03 05:42:36,916 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 430 GetRequests, 425 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2024-11-03 05:42:36,916 INFO L432 NwaCegarLoop]: 126 mSDtfsCounter, 51 mSDsluCounter, 73 mSDsCounter, 0 mSdLazyCounter, 124 mSolverCounterSat, 29 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 51 SdHoareTripleChecker+Valid, 199 SdHoareTripleChecker+Invalid, 153 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 29 IncrementalHoareTripleChecker+Valid, 124 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-03 05:42:36,917 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [51 Valid, 199 Invalid, 153 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [29 Valid, 124 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-03 05:42:36,917 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1026 states. [2024-11-03 05:42:36,930 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1026 to 1026. [2024-11-03 05:42:36,931 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1026 states, 1025 states have (on average 1.5170731707317073) internal successors, (1555), 1025 states have internal predecessors, (1555), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-03 05:42:36,933 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1026 states to 1026 states and 1555 transitions. [2024-11-03 05:42:36,933 INFO L78 Accepts]: Start accepts. Automaton has 1026 states and 1555 transitions. Word has length 216 [2024-11-03 05:42:36,933 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-03 05:42:36,933 INFO L471 AbstractCegarLoop]: Abstraction has 1026 states and 1555 transitions. [2024-11-03 05:42:36,933 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 44.666666666666664) internal successors, (134), 3 states have internal predecessors, (134), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-03 05:42:36,933 INFO L276 IsEmpty]: Start isEmpty. Operand 1026 states and 1555 transitions. [2024-11-03 05:42:36,935 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 218 [2024-11-03 05:42:36,935 INFO L207 NwaCegarLoop]: Found error trace [2024-11-03 05:42:36,935 INFO L215 NwaCegarLoop]: trace histogram [7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-03 05:42:36,940 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc5 --incremental --print-success --lang smt (19)] Ended with exit code 0 [2024-11-03 05:42:37,137 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 19 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc5 --incremental --print-success --lang smt [2024-11-03 05:42:37,137 INFO L396 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-03 05:42:37,137 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-03 05:42:37,137 INFO L85 PathProgramCache]: Analyzing trace with hash 1041726891, now seen corresponding path program 1 times [2024-11-03 05:42:37,137 INFO L118 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2024-11-03 05:42:37,137 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1361184614] [2024-11-03 05:42:37,138 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-03 05:42:37,138 INFO L173 SolverBuilder]: Constructing external solver with command: cvc5 --incremental --print-success --lang smt [2024-11-03 05:42:37,138 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc5 [2024-11-03 05:42:37,139 INFO L229 MonitoredProcess]: Starting monitored process 20 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc5 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-03 05:42:37,141 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc5 --incremental --print-success --lang smt (20)] Waiting until timeout for monitored process [2024-11-03 05:42:37,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-03 05:42:37,219 INFO L255 TraceCheckSpWp]: Trace formula consists of 252 conjuncts, 32 conjuncts are in the unsatisfiable core [2024-11-03 05:42:37,222 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-03 05:42:37,277 INFO L134 CoverageAnalysis]: Checked inductivity of 417 backedges. 284 proven. 18 refuted. 0 times theorem prover too weak. 115 trivial. 0 not checked. [2024-11-03 05:42:37,277 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-03 05:42:37,305 INFO L134 CoverageAnalysis]: Checked inductivity of 417 backedges. 294 proven. 0 refuted. 0 times theorem prover too weak. 123 trivial. 0 not checked. [2024-11-03 05:42:37,305 INFO L136 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2024-11-03 05:42:37,305 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1361184614] [2024-11-03 05:42:37,305 INFO L158 FreeRefinementEngine]: IpTcStrategyModulePreferences [1361184614] provided 1 perfect and 1 imperfect interpolant sequences [2024-11-03 05:42:37,305 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-03 05:42:37,305 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [6] total 7 [2024-11-03 05:42:37,305 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1105356509] [2024-11-03 05:42:37,306 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-03 05:42:37,306 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-03 05:42:37,306 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2024-11-03 05:42:37,306 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-03 05:42:37,306 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2024-11-03 05:42:37,306 INFO L87 Difference]: Start difference. First operand 1026 states and 1555 transitions. Second operand has 3 states, 3 states have (on average 45.0) internal successors, (135), 3 states have internal predecessors, (135), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-03 05:42:37,417 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-03 05:42:37,417 INFO L93 Difference]: Finished difference Result 2044 states and 3098 transitions. [2024-11-03 05:42:37,417 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-03 05:42:37,417 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 45.0) internal successors, (135), 3 states have internal predecessors, (135), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 217 [2024-11-03 05:42:37,417 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-03 05:42:37,420 INFO L225 Difference]: With dead ends: 2044 [2024-11-03 05:42:37,420 INFO L226 Difference]: Without dead ends: 1026 [2024-11-03 05:42:37,421 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 432 GetRequests, 427 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2024-11-03 05:42:37,421 INFO L432 NwaCegarLoop]: 126 mSDtfsCounter, 53 mSDsluCounter, 73 mSDsCounter, 0 mSdLazyCounter, 122 mSolverCounterSat, 29 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 53 SdHoareTripleChecker+Valid, 199 SdHoareTripleChecker+Invalid, 151 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 29 IncrementalHoareTripleChecker+Valid, 122 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-03 05:42:37,422 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [53 Valid, 199 Invalid, 151 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [29 Valid, 122 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-03 05:42:37,422 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1026 states. [2024-11-03 05:42:37,435 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1026 to 1026. [2024-11-03 05:42:37,436 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1026 states, 1025 states have (on average 1.5053658536585366) internal successors, (1543), 1025 states have internal predecessors, (1543), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-03 05:42:37,438 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1026 states to 1026 states and 1543 transitions. [2024-11-03 05:42:37,438 INFO L78 Accepts]: Start accepts. Automaton has 1026 states and 1543 transitions. Word has length 217 [2024-11-03 05:42:37,438 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-03 05:42:37,438 INFO L471 AbstractCegarLoop]: Abstraction has 1026 states and 1543 transitions. [2024-11-03 05:42:37,438 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 45.0) internal successors, (135), 3 states have internal predecessors, (135), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-03 05:42:37,438 INFO L276 IsEmpty]: Start isEmpty. Operand 1026 states and 1543 transitions. [2024-11-03 05:42:37,440 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 223 [2024-11-03 05:42:37,440 INFO L207 NwaCegarLoop]: Found error trace [2024-11-03 05:42:37,440 INFO L215 NwaCegarLoop]: trace histogram [8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 7, 7, 7, 7, 7, 6, 6, 5, 5, 4, 4, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-03 05:42:37,442 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc5 --incremental --print-success --lang smt (20)] Forceful destruction successful, exit code 0 [2024-11-03 05:42:37,641 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 20 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc5 --incremental --print-success --lang smt [2024-11-03 05:42:37,642 INFO L396 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-03 05:42:37,642 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-03 05:42:37,642 INFO L85 PathProgramCache]: Analyzing trace with hash 1876895039, now seen corresponding path program 1 times [2024-11-03 05:42:37,642 INFO L118 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2024-11-03 05:42:37,642 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1805222018] [2024-11-03 05:42:37,642 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-03 05:42:37,643 INFO L173 SolverBuilder]: Constructing external solver with command: cvc5 --incremental --print-success --lang smt [2024-11-03 05:42:37,643 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc5 [2024-11-03 05:42:37,645 INFO L229 MonitoredProcess]: Starting monitored process 21 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc5 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-03 05:42:37,647 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc5 --incremental --print-success --lang smt (21)] Waiting until timeout for monitored process [2024-11-03 05:42:37,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-03 05:42:37,720 INFO L255 TraceCheckSpWp]: Trace formula consists of 258 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-03 05:42:37,722 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-03 05:42:37,852 INFO L134 CoverageAnalysis]: Checked inductivity of 494 backedges. 281 proven. 0 refuted. 0 times theorem prover too weak. 213 trivial. 0 not checked. [2024-11-03 05:42:37,853 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-03 05:42:37,973 INFO L134 CoverageAnalysis]: Checked inductivity of 494 backedges. 281 proven. 0 refuted. 0 times theorem prover too weak. 213 trivial. 0 not checked. [2024-11-03 05:42:37,973 INFO L136 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2024-11-03 05:42:37,973 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1805222018] [2024-11-03 05:42:37,973 INFO L158 FreeRefinementEngine]: IpTcStrategyModulePreferences [1805222018] provided 2 perfect and 0 imperfect interpolant sequences [2024-11-03 05:42:37,973 INFO L185 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2024-11-03 05:42:37,973 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 3 [2024-11-03 05:42:37,974 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [585983892] [2024-11-03 05:42:37,974 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2024-11-03 05:42:37,974 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-03 05:42:37,974 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2024-11-03 05:42:37,974 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-03 05:42:37,974 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-03 05:42:37,975 INFO L87 Difference]: Start difference. First operand 1026 states and 1543 transitions. Second operand has 3 states, 3 states have (on average 43.333333333333336) internal successors, (130), 3 states have internal predecessors, (130), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-03 05:42:38,004 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-03 05:42:38,004 INFO L93 Difference]: Finished difference Result 3008 states and 4541 transitions. [2024-11-03 05:42:38,004 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-03 05:42:38,005 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 43.333333333333336) internal successors, (130), 3 states have internal predecessors, (130), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 222 [2024-11-03 05:42:38,005 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-03 05:42:38,009 INFO L225 Difference]: With dead ends: 3008 [2024-11-03 05:42:38,009 INFO L226 Difference]: Without dead ends: 1990 [2024-11-03 05:42:38,010 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 442 GetRequests, 441 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-03 05:42:38,011 INFO L432 NwaCegarLoop]: 304 mSDtfsCounter, 120 mSDsluCounter, 187 mSDsCounter, 0 mSdLazyCounter, 7 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 120 SdHoareTripleChecker+Valid, 491 SdHoareTripleChecker+Invalid, 11 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 7 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-03 05:42:38,011 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [120 Valid, 491 Invalid, 11 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 7 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-03 05:42:38,012 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1990 states. [2024-11-03 05:42:38,038 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1990 to 1988. [2024-11-03 05:42:38,040 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1988 states, 1987 states have (on average 1.5118268746854555) internal successors, (3004), 1987 states have internal predecessors, (3004), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-03 05:42:38,043 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1988 states to 1988 states and 3004 transitions. [2024-11-03 05:42:38,043 INFO L78 Accepts]: Start accepts. Automaton has 1988 states and 3004 transitions. Word has length 222 [2024-11-03 05:42:38,043 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-03 05:42:38,043 INFO L471 AbstractCegarLoop]: Abstraction has 1988 states and 3004 transitions. [2024-11-03 05:42:38,044 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 43.333333333333336) internal successors, (130), 3 states have internal predecessors, (130), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-03 05:42:38,044 INFO L276 IsEmpty]: Start isEmpty. Operand 1988 states and 3004 transitions. [2024-11-03 05:42:38,046 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 225 [2024-11-03 05:42:38,046 INFO L207 NwaCegarLoop]: Found error trace [2024-11-03 05:42:38,047 INFO L215 NwaCegarLoop]: trace histogram [7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-03 05:42:38,049 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc5 --incremental --print-success --lang smt (21)] Ended with exit code 0 [2024-11-03 05:42:38,247 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 21 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc5 --incremental --print-success --lang smt [2024-11-03 05:42:38,247 INFO L396 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-03 05:42:38,248 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-03 05:42:38,248 INFO L85 PathProgramCache]: Analyzing trace with hash 55645909, now seen corresponding path program 1 times [2024-11-03 05:42:38,248 INFO L118 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2024-11-03 05:42:38,248 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1806273871] [2024-11-03 05:42:38,248 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-03 05:42:38,248 INFO L173 SolverBuilder]: Constructing external solver with command: cvc5 --incremental --print-success --lang smt [2024-11-03 05:42:38,248 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc5 [2024-11-03 05:42:38,249 INFO L229 MonitoredProcess]: Starting monitored process 22 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc5 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-03 05:42:38,250 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc5 --incremental --print-success --lang smt (22)] Waiting until timeout for monitored process [2024-11-03 05:42:38,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-03 05:42:38,320 INFO L255 TraceCheckSpWp]: Trace formula consists of 260 conjuncts, 32 conjuncts are in the unsatisfiable core [2024-11-03 05:42:38,323 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-03 05:42:38,380 INFO L134 CoverageAnalysis]: Checked inductivity of 456 backedges. 313 proven. 18 refuted. 0 times theorem prover too weak. 125 trivial. 0 not checked. [2024-11-03 05:42:38,380 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-03 05:42:38,428 INFO L134 CoverageAnalysis]: Checked inductivity of 456 backedges. 323 proven. 0 refuted. 0 times theorem prover too weak. 133 trivial. 0 not checked. [2024-11-03 05:42:38,429 INFO L136 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2024-11-03 05:42:38,429 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1806273871] [2024-11-03 05:42:38,429 INFO L158 FreeRefinementEngine]: IpTcStrategyModulePreferences [1806273871] provided 1 perfect and 1 imperfect interpolant sequences [2024-11-03 05:42:38,429 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-03 05:42:38,429 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [6] total 7 [2024-11-03 05:42:38,429 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [412314637] [2024-11-03 05:42:38,429 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-03 05:42:38,429 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-03 05:42:38,429 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2024-11-03 05:42:38,430 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-03 05:42:38,430 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2024-11-03 05:42:38,430 INFO L87 Difference]: Start difference. First operand 1988 states and 3004 transitions. Second operand has 3 states, 3 states have (on average 45.666666666666664) internal successors, (137), 3 states have internal predecessors, (137), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-03 05:42:38,551 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-03 05:42:38,551 INFO L93 Difference]: Finished difference Result 4104 states and 6220 transitions. [2024-11-03 05:42:38,551 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-03 05:42:38,551 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 45.666666666666664) internal successors, (137), 3 states have internal predecessors, (137), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 224 [2024-11-03 05:42:38,551 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-03 05:42:38,556 INFO L225 Difference]: With dead ends: 4104 [2024-11-03 05:42:38,556 INFO L226 Difference]: Without dead ends: 2124 [2024-11-03 05:42:38,558 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 446 GetRequests, 441 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2024-11-03 05:42:38,558 INFO L432 NwaCegarLoop]: 128 mSDtfsCounter, 47 mSDsluCounter, 73 mSDsCounter, 0 mSdLazyCounter, 127 mSolverCounterSat, 28 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 47 SdHoareTripleChecker+Valid, 201 SdHoareTripleChecker+Invalid, 155 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 28 IncrementalHoareTripleChecker+Valid, 127 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-03 05:42:38,558 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [47 Valid, 201 Invalid, 155 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [28 Valid, 127 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-03 05:42:38,560 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2124 states. [2024-11-03 05:42:38,586 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2124 to 2124. [2024-11-03 05:42:38,590 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2124 states, 2123 states have (on average 1.5129533678756477) internal successors, (3212), 2123 states have internal predecessors, (3212), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-03 05:42:38,593 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2124 states to 2124 states and 3212 transitions. [2024-11-03 05:42:38,593 INFO L78 Accepts]: Start accepts. Automaton has 2124 states and 3212 transitions. Word has length 224 [2024-11-03 05:42:38,593 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-03 05:42:38,593 INFO L471 AbstractCegarLoop]: Abstraction has 2124 states and 3212 transitions. [2024-11-03 05:42:38,594 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 45.666666666666664) internal successors, (137), 3 states have internal predecessors, (137), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-03 05:42:38,594 INFO L276 IsEmpty]: Start isEmpty. Operand 2124 states and 3212 transitions. [2024-11-03 05:42:38,595 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 226 [2024-11-03 05:42:38,596 INFO L207 NwaCegarLoop]: Found error trace [2024-11-03 05:42:38,596 INFO L215 NwaCegarLoop]: trace histogram [7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-03 05:42:38,600 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc5 --incremental --print-success --lang smt (22)] Ended with exit code 0 [2024-11-03 05:42:38,796 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 22 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc5 --incremental --print-success --lang smt [2024-11-03 05:42:38,796 INFO L396 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-03 05:42:38,797 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-03 05:42:38,797 INFO L85 PathProgramCache]: Analyzing trace with hash -1357229027, now seen corresponding path program 1 times [2024-11-03 05:42:38,797 INFO L118 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2024-11-03 05:42:38,797 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1077235284] [2024-11-03 05:42:38,797 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-03 05:42:38,797 INFO L173 SolverBuilder]: Constructing external solver with command: cvc5 --incremental --print-success --lang smt [2024-11-03 05:42:38,797 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc5 [2024-11-03 05:42:38,798 INFO L229 MonitoredProcess]: Starting monitored process 23 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc5 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-03 05:42:38,799 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc5 --incremental --print-success --lang smt (23)] Waiting until timeout for monitored process [2024-11-03 05:42:38,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-03 05:42:38,871 INFO L255 TraceCheckSpWp]: Trace formula consists of 261 conjuncts, 32 conjuncts are in the unsatisfiable core [2024-11-03 05:42:38,874 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-03 05:42:38,942 INFO L134 CoverageAnalysis]: Checked inductivity of 460 backedges. 317 proven. 18 refuted. 0 times theorem prover too weak. 125 trivial. 0 not checked. [2024-11-03 05:42:38,942 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-03 05:42:38,977 INFO L134 CoverageAnalysis]: Checked inductivity of 460 backedges. 327 proven. 0 refuted. 0 times theorem prover too weak. 133 trivial. 0 not checked. [2024-11-03 05:42:38,977 INFO L136 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2024-11-03 05:42:38,977 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1077235284] [2024-11-03 05:42:38,977 INFO L158 FreeRefinementEngine]: IpTcStrategyModulePreferences [1077235284] provided 1 perfect and 1 imperfect interpolant sequences [2024-11-03 05:42:38,977 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-03 05:42:38,977 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [6] total 7 [2024-11-03 05:42:38,977 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [383480914] [2024-11-03 05:42:38,978 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-03 05:42:38,978 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-03 05:42:38,978 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2024-11-03 05:42:38,978 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-03 05:42:38,978 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2024-11-03 05:42:38,978 INFO L87 Difference]: Start difference. First operand 2124 states and 3212 transitions. Second operand has 3 states, 3 states have (on average 46.0) internal successors, (138), 3 states have internal predecessors, (138), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-03 05:42:39,099 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-03 05:42:39,099 INFO L93 Difference]: Finished difference Result 4240 states and 6412 transitions. [2024-11-03 05:42:39,099 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-03 05:42:39,099 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 46.0) internal successors, (138), 3 states have internal predecessors, (138), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 225 [2024-11-03 05:42:39,099 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-03 05:42:39,104 INFO L225 Difference]: With dead ends: 4240 [2024-11-03 05:42:39,104 INFO L226 Difference]: Without dead ends: 2124 [2024-11-03 05:42:39,106 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 448 GetRequests, 443 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2024-11-03 05:42:39,106 INFO L432 NwaCegarLoop]: 128 mSDtfsCounter, 46 mSDsluCounter, 73 mSDsCounter, 0 mSdLazyCounter, 127 mSolverCounterSat, 29 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 46 SdHoareTripleChecker+Valid, 201 SdHoareTripleChecker+Invalid, 156 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 29 IncrementalHoareTripleChecker+Valid, 127 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-03 05:42:39,106 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [46 Valid, 201 Invalid, 156 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [29 Valid, 127 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-03 05:42:39,108 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2124 states. [2024-11-03 05:42:39,134 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2124 to 2124. [2024-11-03 05:42:39,136 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2124 states, 2123 states have (on average 1.5054168629298164) internal successors, (3196), 2123 states have internal predecessors, (3196), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-03 05:42:39,139 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2124 states to 2124 states and 3196 transitions. [2024-11-03 05:42:39,139 INFO L78 Accepts]: Start accepts. Automaton has 2124 states and 3196 transitions. Word has length 225 [2024-11-03 05:42:39,139 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-03 05:42:39,139 INFO L471 AbstractCegarLoop]: Abstraction has 2124 states and 3196 transitions. [2024-11-03 05:42:39,139 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 46.0) internal successors, (138), 3 states have internal predecessors, (138), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-03 05:42:39,139 INFO L276 IsEmpty]: Start isEmpty. Operand 2124 states and 3196 transitions. [2024-11-03 05:42:39,141 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 233 [2024-11-03 05:42:39,141 INFO L207 NwaCegarLoop]: Found error trace [2024-11-03 05:42:39,141 INFO L215 NwaCegarLoop]: trace histogram [7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-03 05:42:39,143 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc5 --incremental --print-success --lang smt (23)] Ended with exit code 0 [2024-11-03 05:42:39,343 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 23 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc5 --incremental --print-success --lang smt [2024-11-03 05:42:39,343 INFO L396 AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-03 05:42:39,343 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-03 05:42:39,343 INFO L85 PathProgramCache]: Analyzing trace with hash -1836133161, now seen corresponding path program 1 times [2024-11-03 05:42:39,344 INFO L118 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2024-11-03 05:42:39,344 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [48053333] [2024-11-03 05:42:39,344 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-03 05:42:39,344 INFO L173 SolverBuilder]: Constructing external solver with command: cvc5 --incremental --print-success --lang smt [2024-11-03 05:42:39,344 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc5 [2024-11-03 05:42:39,345 INFO L229 MonitoredProcess]: Starting monitored process 24 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc5 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-03 05:42:39,345 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc5 --incremental --print-success --lang smt (24)] Waiting until timeout for monitored process [2024-11-03 05:42:39,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-03 05:42:39,417 INFO L255 TraceCheckSpWp]: Trace formula consists of 266 conjuncts, 48 conjuncts are in the unsatisfiable core [2024-11-03 05:42:39,421 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-03 05:42:39,513 INFO L134 CoverageAnalysis]: Checked inductivity of 458 backedges. 142 proven. 68 refuted. 0 times theorem prover too weak. 248 trivial. 0 not checked. [2024-11-03 05:42:39,513 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-03 05:42:39,552 INFO L134 CoverageAnalysis]: Checked inductivity of 458 backedges. 160 proven. 0 refuted. 0 times theorem prover too weak. 298 trivial. 0 not checked. [2024-11-03 05:42:39,553 INFO L136 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2024-11-03 05:42:39,553 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [48053333] [2024-11-03 05:42:39,553 INFO L158 FreeRefinementEngine]: IpTcStrategyModulePreferences [48053333] provided 1 perfect and 1 imperfect interpolant sequences [2024-11-03 05:42:39,553 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-03 05:42:39,553 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [8] total 9 [2024-11-03 05:42:39,553 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1482128606] [2024-11-03 05:42:39,553 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-03 05:42:39,553 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-03 05:42:39,553 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2024-11-03 05:42:39,554 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-03 05:42:39,554 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2024-11-03 05:42:39,554 INFO L87 Difference]: Start difference. First operand 2124 states and 3196 transitions. Second operand has 3 states, 3 states have (on average 38.666666666666664) internal successors, (116), 3 states have internal predecessors, (116), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-03 05:42:39,677 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-03 05:42:39,677 INFO L93 Difference]: Finished difference Result 4256 states and 6408 transitions. [2024-11-03 05:42:39,677 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-03 05:42:39,678 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 38.666666666666664) internal successors, (116), 3 states have internal predecessors, (116), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 232 [2024-11-03 05:42:39,678 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-03 05:42:39,682 INFO L225 Difference]: With dead ends: 4256 [2024-11-03 05:42:39,682 INFO L226 Difference]: Without dead ends: 2132 [2024-11-03 05:42:39,684 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 462 GetRequests, 455 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2024-11-03 05:42:39,684 INFO L432 NwaCegarLoop]: 132 mSDtfsCounter, 38 mSDsluCounter, 73 mSDsCounter, 0 mSdLazyCounter, 133 mSolverCounterSat, 28 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 38 SdHoareTripleChecker+Valid, 205 SdHoareTripleChecker+Invalid, 161 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 28 IncrementalHoareTripleChecker+Valid, 133 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-03 05:42:39,684 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [38 Valid, 205 Invalid, 161 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [28 Valid, 133 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-03 05:42:39,685 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2132 states. [2024-11-03 05:42:39,710 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2132 to 2132. [2024-11-03 05:42:39,712 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2132 states, 2131 states have (on average 1.5053965274519006) internal successors, (3208), 2131 states have internal predecessors, (3208), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-03 05:42:39,715 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2132 states to 2132 states and 3208 transitions. [2024-11-03 05:42:39,715 INFO L78 Accepts]: Start accepts. Automaton has 2132 states and 3208 transitions. Word has length 232 [2024-11-03 05:42:39,715 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-03 05:42:39,715 INFO L471 AbstractCegarLoop]: Abstraction has 2132 states and 3208 transitions. [2024-11-03 05:42:39,716 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 38.666666666666664) internal successors, (116), 3 states have internal predecessors, (116), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-03 05:42:39,716 INFO L276 IsEmpty]: Start isEmpty. Operand 2132 states and 3208 transitions. [2024-11-03 05:42:39,718 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 262 [2024-11-03 05:42:39,718 INFO L207 NwaCegarLoop]: Found error trace [2024-11-03 05:42:39,718 INFO L215 NwaCegarLoop]: trace histogram [9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 8, 8, 8, 8, 8, 7, 7, 6, 6, 5, 5, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-03 05:42:39,720 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc5 --incremental --print-success --lang smt (24)] Ended with exit code 0 [2024-11-03 05:42:39,918 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 24 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc5 --incremental --print-success --lang smt [2024-11-03 05:42:39,919 INFO L396 AbstractCegarLoop]: === Iteration 24 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-03 05:42:39,919 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-03 05:42:39,919 INFO L85 PathProgramCache]: Analyzing trace with hash 454513996, now seen corresponding path program 1 times [2024-11-03 05:42:39,919 INFO L118 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2024-11-03 05:42:39,919 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1616268105] [2024-11-03 05:42:39,919 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-03 05:42:39,919 INFO L173 SolverBuilder]: Constructing external solver with command: cvc5 --incremental --print-success --lang smt [2024-11-03 05:42:39,919 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc5 [2024-11-03 05:42:39,921 INFO L229 MonitoredProcess]: Starting monitored process 25 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc5 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-03 05:42:39,922 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc5 --incremental --print-success --lang smt (25)] Waiting until timeout for monitored process [2024-11-03 05:42:40,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-03 05:42:40,010 INFO L255 TraceCheckSpWp]: Trace formula consists of 299 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-03 05:42:40,012 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-03 05:42:40,060 INFO L134 CoverageAnalysis]: Checked inductivity of 675 backedges. 438 proven. 0 refuted. 0 times theorem prover too weak. 237 trivial. 0 not checked. [2024-11-03 05:42:40,060 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-03 05:42:40,103 INFO L134 CoverageAnalysis]: Checked inductivity of 675 backedges. 438 proven. 0 refuted. 0 times theorem prover too weak. 237 trivial. 0 not checked. [2024-11-03 05:42:40,104 INFO L136 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2024-11-03 05:42:40,104 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1616268105] [2024-11-03 05:42:40,104 INFO L158 FreeRefinementEngine]: IpTcStrategyModulePreferences [1616268105] provided 2 perfect and 0 imperfect interpolant sequences [2024-11-03 05:42:40,104 INFO L185 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2024-11-03 05:42:40,104 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 3 [2024-11-03 05:42:40,104 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1970797962] [2024-11-03 05:42:40,104 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2024-11-03 05:42:40,104 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-03 05:42:40,104 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2024-11-03 05:42:40,105 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-03 05:42:40,105 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-03 05:42:40,105 INFO L87 Difference]: Start difference. First operand 2132 states and 3208 transitions. Second operand has 3 states, 3 states have (on average 42.0) internal successors, (126), 3 states have internal predecessors, (126), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-03 05:42:40,154 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-03 05:42:40,154 INFO L93 Difference]: Finished difference Result 6372 states and 9588 transitions. [2024-11-03 05:42:40,154 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-03 05:42:40,155 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 42.0) internal successors, (126), 3 states have internal predecessors, (126), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 261 [2024-11-03 05:42:40,155 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-03 05:42:40,163 INFO L225 Difference]: With dead ends: 6372 [2024-11-03 05:42:40,163 INFO L226 Difference]: Without dead ends: 4248 [2024-11-03 05:42:40,165 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 520 GetRequests, 519 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-03 05:42:40,166 INFO L432 NwaCegarLoop]: 304 mSDtfsCounter, 146 mSDsluCounter, 186 mSDsCounter, 0 mSdLazyCounter, 7 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 146 SdHoareTripleChecker+Valid, 490 SdHoareTripleChecker+Invalid, 9 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 7 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-03 05:42:40,166 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [146 Valid, 490 Invalid, 9 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 7 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-03 05:42:40,169 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4248 states. [2024-11-03 05:42:40,236 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4248 to 4246. [2024-11-03 05:42:40,243 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4246 states, 4245 states have (on average 1.5036513545347467) internal successors, (6383), 4245 states have internal predecessors, (6383), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-03 05:42:40,248 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4246 states to 4246 states and 6383 transitions. [2024-11-03 05:42:40,249 INFO L78 Accepts]: Start accepts. Automaton has 4246 states and 6383 transitions. Word has length 261 [2024-11-03 05:42:40,249 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-03 05:42:40,249 INFO L471 AbstractCegarLoop]: Abstraction has 4246 states and 6383 transitions. [2024-11-03 05:42:40,249 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 42.0) internal successors, (126), 3 states have internal predecessors, (126), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-03 05:42:40,249 INFO L276 IsEmpty]: Start isEmpty. Operand 4246 states and 6383 transitions. [2024-11-03 05:42:40,254 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 263 [2024-11-03 05:42:40,254 INFO L207 NwaCegarLoop]: Found error trace [2024-11-03 05:42:40,254 INFO L215 NwaCegarLoop]: trace histogram [9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 8, 8, 8, 8, 8, 7, 7, 6, 6, 5, 5, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-03 05:42:40,256 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc5 --incremental --print-success --lang smt (25)] Ended with exit code 0 [2024-11-03 05:42:40,454 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 25 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc5 --incremental --print-success --lang smt [2024-11-03 05:42:40,455 INFO L396 AbstractCegarLoop]: === Iteration 25 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-03 05:42:40,455 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-03 05:42:40,455 INFO L85 PathProgramCache]: Analyzing trace with hash -444403162, now seen corresponding path program 1 times [2024-11-03 05:42:40,456 INFO L118 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2024-11-03 05:42:40,456 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [230054909] [2024-11-03 05:42:40,456 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-03 05:42:40,456 INFO L173 SolverBuilder]: Constructing external solver with command: cvc5 --incremental --print-success --lang smt [2024-11-03 05:42:40,456 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc5 [2024-11-03 05:42:40,457 INFO L229 MonitoredProcess]: Starting monitored process 26 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc5 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-03 05:42:40,457 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc5 --incremental --print-success --lang smt (26)] Waiting until timeout for monitored process [2024-11-03 05:42:40,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-03 05:42:40,538 INFO L255 TraceCheckSpWp]: Trace formula consists of 300 conjuncts, 50 conjuncts are in the unsatisfiable core [2024-11-03 05:42:40,542 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-03 05:42:40,666 INFO L134 CoverageAnalysis]: Checked inductivity of 675 backedges. 430 proven. 94 refuted. 0 times theorem prover too weak. 151 trivial. 0 not checked. [2024-11-03 05:42:40,666 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-03 05:42:40,739 INFO L134 CoverageAnalysis]: Checked inductivity of 675 backedges. 466 proven. 26 refuted. 0 times theorem prover too weak. 183 trivial. 0 not checked. [2024-11-03 05:42:40,739 INFO L136 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2024-11-03 05:42:40,739 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [230054909] [2024-11-03 05:42:40,739 INFO L158 FreeRefinementEngine]: IpTcStrategyModulePreferences [230054909] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-03 05:42:40,739 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-03 05:42:40,740 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 4] total 12 [2024-11-03 05:42:40,740 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [814552428] [2024-11-03 05:42:40,740 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-03 05:42:40,740 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-11-03 05:42:40,740 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2024-11-03 05:42:40,741 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-11-03 05:42:40,741 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=101, Unknown=0, NotChecked=0, Total=132 [2024-11-03 05:42:40,741 INFO L87 Difference]: Start difference. First operand 4246 states and 6383 transitions. Second operand has 12 states, 12 states have (on average 21.5) internal successors, (258), 12 states have internal predecessors, (258), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-03 05:42:42,233 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-03 05:42:42,233 INFO L93 Difference]: Finished difference Result 15616 states and 23248 transitions. [2024-11-03 05:42:42,233 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2024-11-03 05:42:42,234 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 21.5) internal successors, (258), 12 states have internal predecessors, (258), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 262 [2024-11-03 05:42:42,234 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-03 05:42:42,276 INFO L225 Difference]: With dead ends: 15616 [2024-11-03 05:42:42,276 INFO L226 Difference]: Without dead ends: 11378 [2024-11-03 05:42:42,279 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 548 GetRequests, 525 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 58 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=126, Invalid=474, Unknown=0, NotChecked=0, Total=600 [2024-11-03 05:42:42,279 INFO L432 NwaCegarLoop]: 492 mSDtfsCounter, 587 mSDsluCounter, 2856 mSDsCounter, 0 mSdLazyCounter, 3809 mSolverCounterSat, 88 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 587 SdHoareTripleChecker+Valid, 3348 SdHoareTripleChecker+Invalid, 3897 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 88 IncrementalHoareTripleChecker+Valid, 3809 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2024-11-03 05:42:42,280 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [587 Valid, 3348 Invalid, 3897 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [88 Valid, 3809 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2024-11-03 05:42:42,283 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11378 states. [2024-11-03 05:42:42,368 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11378 to 4512. [2024-11-03 05:42:42,372 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4512 states, 4511 states have (on average 1.4265129682997117) internal successors, (6435), 4511 states have internal predecessors, (6435), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-03 05:42:42,377 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4512 states to 4512 states and 6435 transitions. [2024-11-03 05:42:42,378 INFO L78 Accepts]: Start accepts. Automaton has 4512 states and 6435 transitions. Word has length 262 [2024-11-03 05:42:42,378 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-03 05:42:42,378 INFO L471 AbstractCegarLoop]: Abstraction has 4512 states and 6435 transitions. [2024-11-03 05:42:42,378 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 21.5) internal successors, (258), 12 states have internal predecessors, (258), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-03 05:42:42,378 INFO L276 IsEmpty]: Start isEmpty. Operand 4512 states and 6435 transitions. [2024-11-03 05:42:42,383 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 272 [2024-11-03 05:42:42,383 INFO L207 NwaCegarLoop]: Found error trace [2024-11-03 05:42:42,384 INFO L215 NwaCegarLoop]: trace histogram [8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-03 05:42:42,386 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc5 --incremental --print-success --lang smt (26)] Ended with exit code 0 [2024-11-03 05:42:42,585 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 26 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc5 --incremental --print-success --lang smt [2024-11-03 05:42:42,586 INFO L396 AbstractCegarLoop]: === Iteration 26 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-03 05:42:42,586 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-03 05:42:42,586 INFO L85 PathProgramCache]: Analyzing trace with hash 898954870, now seen corresponding path program 1 times [2024-11-03 05:42:42,586 INFO L118 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2024-11-03 05:42:42,586 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [176368497] [2024-11-03 05:42:42,586 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-03 05:42:42,586 INFO L173 SolverBuilder]: Constructing external solver with command: cvc5 --incremental --print-success --lang smt [2024-11-03 05:42:42,587 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc5 [2024-11-03 05:42:42,587 INFO L229 MonitoredProcess]: Starting monitored process 27 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc5 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-03 05:42:42,588 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc5 --incremental --print-success --lang smt (27)] Waiting until timeout for monitored process [2024-11-03 05:42:42,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-03 05:42:42,667 INFO L255 TraceCheckSpWp]: Trace formula consists of 307 conjuncts, 48 conjuncts are in the unsatisfiable core [2024-11-03 05:42:42,670 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-03 05:42:42,744 INFO L134 CoverageAnalysis]: Checked inductivity of 654 backedges. 338 proven. 68 refuted. 0 times theorem prover too weak. 248 trivial. 0 not checked. [2024-11-03 05:42:42,744 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-03 05:42:42,780 INFO L134 CoverageAnalysis]: Checked inductivity of 654 backedges. 356 proven. 0 refuted. 0 times theorem prover too weak. 298 trivial. 0 not checked. [2024-11-03 05:42:42,780 INFO L136 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2024-11-03 05:42:42,781 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [176368497] [2024-11-03 05:42:42,781 INFO L158 FreeRefinementEngine]: IpTcStrategyModulePreferences [176368497] provided 1 perfect and 1 imperfect interpolant sequences [2024-11-03 05:42:42,781 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-03 05:42:42,781 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [8] total 9 [2024-11-03 05:42:42,781 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1036107921] [2024-11-03 05:42:42,781 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-03 05:42:42,781 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-03 05:42:42,781 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2024-11-03 05:42:42,782 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-03 05:42:42,782 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=52, Unknown=0, NotChecked=0, Total=72 [2024-11-03 05:42:42,782 INFO L87 Difference]: Start difference. First operand 4512 states and 6435 transitions. Second operand has 3 states, 3 states have (on average 51.666666666666664) internal successors, (155), 3 states have internal predecessors, (155), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-03 05:42:42,932 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-03 05:42:42,932 INFO L93 Difference]: Finished difference Result 9016 states and 12858 transitions. [2024-11-03 05:42:42,932 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-03 05:42:42,933 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 51.666666666666664) internal successors, (155), 3 states have internal predecessors, (155), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 271 [2024-11-03 05:42:42,933 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-03 05:42:42,939 INFO L225 Difference]: With dead ends: 9016 [2024-11-03 05:42:42,939 INFO L226 Difference]: Without dead ends: 4512 [2024-11-03 05:42:42,942 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 540 GetRequests, 533 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=20, Invalid=52, Unknown=0, NotChecked=0, Total=72 [2024-11-03 05:42:42,942 INFO L432 NwaCegarLoop]: 152 mSDtfsCounter, 41 mSDsluCounter, 75 mSDsCounter, 0 mSdLazyCounter, 132 mSolverCounterSat, 27 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 41 SdHoareTripleChecker+Valid, 227 SdHoareTripleChecker+Invalid, 159 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 27 IncrementalHoareTripleChecker+Valid, 132 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-03 05:42:42,942 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [41 Valid, 227 Invalid, 159 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [27 Valid, 132 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-03 05:42:42,944 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4512 states. [2024-11-03 05:42:43,006 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4512 to 4512. [2024-11-03 05:42:43,010 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4512 states, 4511 states have (on average 1.422966082908446) internal successors, (6419), 4511 states have internal predecessors, (6419), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-03 05:42:43,014 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4512 states to 4512 states and 6419 transitions. [2024-11-03 05:42:43,014 INFO L78 Accepts]: Start accepts. Automaton has 4512 states and 6419 transitions. Word has length 271 [2024-11-03 05:42:43,014 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-03 05:42:43,014 INFO L471 AbstractCegarLoop]: Abstraction has 4512 states and 6419 transitions. [2024-11-03 05:42:43,014 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 51.666666666666664) internal successors, (155), 3 states have internal predecessors, (155), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-03 05:42:43,015 INFO L276 IsEmpty]: Start isEmpty. Operand 4512 states and 6419 transitions. [2024-11-03 05:42:43,018 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 272 [2024-11-03 05:42:43,018 INFO L207 NwaCegarLoop]: Found error trace [2024-11-03 05:42:43,019 INFO L215 NwaCegarLoop]: trace histogram [8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-03 05:42:43,021 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc5 --incremental --print-success --lang smt (27)] Forceful destruction successful, exit code 0 [2024-11-03 05:42:43,219 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 27 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc5 --incremental --print-success --lang smt [2024-11-03 05:42:43,219 INFO L396 AbstractCegarLoop]: === Iteration 27 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-03 05:42:43,220 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-03 05:42:43,220 INFO L85 PathProgramCache]: Analyzing trace with hash -1829254476, now seen corresponding path program 1 times [2024-11-03 05:42:43,220 INFO L118 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2024-11-03 05:42:43,220 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1597575172] [2024-11-03 05:42:43,220 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-03 05:42:43,220 INFO L173 SolverBuilder]: Constructing external solver with command: cvc5 --incremental --print-success --lang smt [2024-11-03 05:42:43,220 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc5 [2024-11-03 05:42:43,221 INFO L229 MonitoredProcess]: Starting monitored process 28 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc5 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-03 05:42:43,222 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc5 --incremental --print-success --lang smt (28)] Waiting until timeout for monitored process [2024-11-03 05:42:43,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-03 05:42:43,304 INFO L255 TraceCheckSpWp]: Trace formula consists of 307 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-03 05:42:43,306 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-03 05:42:43,438 INFO L134 CoverageAnalysis]: Checked inductivity of 654 backedges. 429 proven. 0 refuted. 0 times theorem prover too weak. 225 trivial. 0 not checked. [2024-11-03 05:42:43,439 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-03 05:42:43,557 INFO L134 CoverageAnalysis]: Checked inductivity of 654 backedges. 429 proven. 0 refuted. 0 times theorem prover too weak. 225 trivial. 0 not checked. [2024-11-03 05:42:43,558 INFO L136 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2024-11-03 05:42:43,558 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1597575172] [2024-11-03 05:42:43,558 INFO L158 FreeRefinementEngine]: IpTcStrategyModulePreferences [1597575172] provided 2 perfect and 0 imperfect interpolant sequences [2024-11-03 05:42:43,558 INFO L185 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2024-11-03 05:42:43,558 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 3 [2024-11-03 05:42:43,558 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1863652825] [2024-11-03 05:42:43,558 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2024-11-03 05:42:43,558 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-03 05:42:43,558 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2024-11-03 05:42:43,559 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-03 05:42:43,559 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-03 05:42:43,559 INFO L87 Difference]: Start difference. First operand 4512 states and 6419 transitions. Second operand has 3 states, 3 states have (on average 45.333333333333336) internal successors, (136), 3 states have internal predecessors, (136), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-03 05:42:43,626 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-03 05:42:43,626 INFO L93 Difference]: Finished difference Result 6779 states and 9594 transitions. [2024-11-03 05:42:43,627 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-03 05:42:43,627 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 45.333333333333336) internal successors, (136), 3 states have internal predecessors, (136), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 271 [2024-11-03 05:42:43,627 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-03 05:42:43,633 INFO L225 Difference]: With dead ends: 6779 [2024-11-03 05:42:43,633 INFO L226 Difference]: Without dead ends: 4553 [2024-11-03 05:42:43,635 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 540 GetRequests, 539 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-03 05:42:43,635 INFO L432 NwaCegarLoop]: 275 mSDtfsCounter, 120 mSDsluCounter, 187 mSDsCounter, 0 mSdLazyCounter, 7 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 120 SdHoareTripleChecker+Valid, 462 SdHoareTripleChecker+Invalid, 9 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 7 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-03 05:42:43,635 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [120 Valid, 462 Invalid, 9 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 7 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-03 05:42:43,637 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4553 states. [2024-11-03 05:42:43,703 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4553 to 4551. [2024-11-03 05:42:43,706 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4551 states, 4550 states have (on average 1.4189010989010988) internal successors, (6456), 4550 states have internal predecessors, (6456), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-03 05:42:43,710 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4551 states to 4551 states and 6456 transitions. [2024-11-03 05:42:43,711 INFO L78 Accepts]: Start accepts. Automaton has 4551 states and 6456 transitions. Word has length 271 [2024-11-03 05:42:43,711 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-03 05:42:43,711 INFO L471 AbstractCegarLoop]: Abstraction has 4551 states and 6456 transitions. [2024-11-03 05:42:43,711 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 45.333333333333336) internal successors, (136), 3 states have internal predecessors, (136), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-03 05:42:43,711 INFO L276 IsEmpty]: Start isEmpty. Operand 4551 states and 6456 transitions. [2024-11-03 05:42:43,715 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 273 [2024-11-03 05:42:43,715 INFO L207 NwaCegarLoop]: Found error trace [2024-11-03 05:42:43,715 INFO L215 NwaCegarLoop]: trace histogram [8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 4, 4, 3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-03 05:42:43,717 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc5 --incremental --print-success --lang smt (28)] Ended with exit code 0 [2024-11-03 05:42:43,915 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 28 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc5 --incremental --print-success --lang smt [2024-11-03 05:42:43,915 INFO L396 AbstractCegarLoop]: === Iteration 28 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-03 05:42:43,916 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-03 05:42:43,916 INFO L85 PathProgramCache]: Analyzing trace with hash -84465264, now seen corresponding path program 1 times [2024-11-03 05:42:43,916 INFO L118 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2024-11-03 05:42:43,916 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [106798716] [2024-11-03 05:42:43,916 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-03 05:42:43,916 INFO L173 SolverBuilder]: Constructing external solver with command: cvc5 --incremental --print-success --lang smt [2024-11-03 05:42:43,916 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc5 [2024-11-03 05:42:43,917 INFO L229 MonitoredProcess]: Starting monitored process 29 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc5 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-03 05:42:43,918 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc5 --incremental --print-success --lang smt (29)] Waiting until timeout for monitored process [2024-11-03 05:42:43,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-03 05:42:43,999 INFO L255 TraceCheckSpWp]: Trace formula consists of 308 conjuncts, 48 conjuncts are in the unsatisfiable core [2024-11-03 05:42:44,002 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-03 05:42:44,066 INFO L134 CoverageAnalysis]: Checked inductivity of 656 backedges. 350 proven. 56 refuted. 0 times theorem prover too weak. 250 trivial. 0 not checked. [2024-11-03 05:42:44,066 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-03 05:42:44,101 INFO L134 CoverageAnalysis]: Checked inductivity of 656 backedges. 358 proven. 0 refuted. 0 times theorem prover too weak. 298 trivial. 0 not checked. [2024-11-03 05:42:44,101 INFO L136 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2024-11-03 05:42:44,101 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [106798716] [2024-11-03 05:42:44,101 INFO L158 FreeRefinementEngine]: IpTcStrategyModulePreferences [106798716] provided 1 perfect and 1 imperfect interpolant sequences [2024-11-03 05:42:44,101 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-03 05:42:44,101 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [7] total 8 [2024-11-03 05:42:44,101 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [324386952] [2024-11-03 05:42:44,101 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-03 05:42:44,102 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-03 05:42:44,102 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2024-11-03 05:42:44,102 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-03 05:42:44,102 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2024-11-03 05:42:44,102 INFO L87 Difference]: Start difference. First operand 4551 states and 6456 transitions. Second operand has 3 states, 3 states have (on average 52.0) internal successors, (156), 3 states have internal predecessors, (156), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-03 05:42:44,248 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-03 05:42:44,248 INFO L93 Difference]: Finished difference Result 9055 states and 12853 transitions. [2024-11-03 05:42:44,249 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-03 05:42:44,249 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 52.0) internal successors, (156), 3 states have internal predecessors, (156), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 272 [2024-11-03 05:42:44,250 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-03 05:42:44,255 INFO L225 Difference]: With dead ends: 9055 [2024-11-03 05:42:44,255 INFO L226 Difference]: Without dead ends: 4487 [2024-11-03 05:42:44,259 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 542 GetRequests, 536 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2024-11-03 05:42:44,259 INFO L432 NwaCegarLoop]: 132 mSDtfsCounter, 40 mSDsluCounter, 73 mSDsCounter, 0 mSdLazyCounter, 131 mSolverCounterSat, 29 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 40 SdHoareTripleChecker+Valid, 205 SdHoareTripleChecker+Invalid, 160 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 29 IncrementalHoareTripleChecker+Valid, 131 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-03 05:42:44,259 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [40 Valid, 205 Invalid, 160 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [29 Valid, 131 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-03 05:42:44,261 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4487 states. [2024-11-03 05:42:44,331 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4487 to 4487. [2024-11-03 05:42:44,334 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4487 states, 4486 states have (on average 1.4159607668301382) internal successors, (6352), 4486 states have internal predecessors, (6352), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-03 05:42:44,338 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4487 states to 4487 states and 6352 transitions. [2024-11-03 05:42:44,339 INFO L78 Accepts]: Start accepts. Automaton has 4487 states and 6352 transitions. Word has length 272 [2024-11-03 05:42:44,339 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-03 05:42:44,339 INFO L471 AbstractCegarLoop]: Abstraction has 4487 states and 6352 transitions. [2024-11-03 05:42:44,339 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 52.0) internal successors, (156), 3 states have internal predecessors, (156), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-03 05:42:44,339 INFO L276 IsEmpty]: Start isEmpty. Operand 4487 states and 6352 transitions. [2024-11-03 05:42:44,342 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 293 [2024-11-03 05:42:44,342 INFO L207 NwaCegarLoop]: Found error trace [2024-11-03 05:42:44,343 INFO L215 NwaCegarLoop]: trace histogram [9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 8, 8, 8, 8, 8, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-03 05:42:44,345 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc5 --incremental --print-success --lang smt (29)] Forceful destruction successful, exit code 0 [2024-11-03 05:42:44,543 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 29 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc5 --incremental --print-success --lang smt [2024-11-03 05:42:44,543 INFO L396 AbstractCegarLoop]: === Iteration 29 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-03 05:42:44,544 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-03 05:42:44,544 INFO L85 PathProgramCache]: Analyzing trace with hash 266052757, now seen corresponding path program 1 times [2024-11-03 05:42:44,544 INFO L118 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2024-11-03 05:42:44,544 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [839105109] [2024-11-03 05:42:44,544 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-03 05:42:44,544 INFO L173 SolverBuilder]: Constructing external solver with command: cvc5 --incremental --print-success --lang smt [2024-11-03 05:42:44,544 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc5 [2024-11-03 05:42:44,546 INFO L229 MonitoredProcess]: Starting monitored process 30 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc5 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-03 05:42:44,548 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc5 --incremental --print-success --lang smt (30)] Waiting until timeout for monitored process [2024-11-03 05:42:44,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-03 05:42:44,646 INFO L255 TraceCheckSpWp]: Trace formula consists of 329 conjuncts, 48 conjuncts are in the unsatisfiable core [2024-11-03 05:42:44,650 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-03 05:42:44,739 INFO L134 CoverageAnalysis]: Checked inductivity of 782 backedges. 431 proven. 68 refuted. 0 times theorem prover too weak. 283 trivial. 0 not checked. [2024-11-03 05:42:44,739 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-03 05:42:44,764 INFO L134 CoverageAnalysis]: Checked inductivity of 782 backedges. 449 proven. 0 refuted. 0 times theorem prover too weak. 333 trivial. 0 not checked. [2024-11-03 05:42:44,765 INFO L136 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2024-11-03 05:42:44,765 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [839105109] [2024-11-03 05:42:44,765 INFO L158 FreeRefinementEngine]: IpTcStrategyModulePreferences [839105109] provided 1 perfect and 1 imperfect interpolant sequences [2024-11-03 05:42:44,765 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-03 05:42:44,765 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [8] total 9 [2024-11-03 05:42:44,765 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1631976525] [2024-11-03 05:42:44,765 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-03 05:42:44,765 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-03 05:42:44,765 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2024-11-03 05:42:44,766 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-03 05:42:44,766 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=52, Unknown=0, NotChecked=0, Total=72 [2024-11-03 05:42:44,766 INFO L87 Difference]: Start difference. First operand 4487 states and 6352 transitions. Second operand has 3 states, 3 states have (on average 47.333333333333336) internal successors, (142), 3 states have internal predecessors, (142), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-03 05:42:44,897 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-03 05:42:44,898 INFO L93 Difference]: Finished difference Result 8927 states and 12645 transitions. [2024-11-03 05:42:44,898 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-03 05:42:44,898 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 47.333333333333336) internal successors, (142), 3 states have internal predecessors, (142), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 292 [2024-11-03 05:42:44,898 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-03 05:42:44,903 INFO L225 Difference]: With dead ends: 8927 [2024-11-03 05:42:44,903 INFO L226 Difference]: Without dead ends: 4487 [2024-11-03 05:42:44,906 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 582 GetRequests, 575 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=20, Invalid=52, Unknown=0, NotChecked=0, Total=72 [2024-11-03 05:42:44,906 INFO L432 NwaCegarLoop]: 141 mSDtfsCounter, 60 mSDsluCounter, 73 mSDsCounter, 0 mSdLazyCounter, 116 mSolverCounterSat, 28 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 60 SdHoareTripleChecker+Valid, 214 SdHoareTripleChecker+Invalid, 144 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 28 IncrementalHoareTripleChecker+Valid, 116 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-03 05:42:44,907 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [60 Valid, 214 Invalid, 144 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [28 Valid, 116 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-03 05:42:44,909 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4487 states. [2024-11-03 05:42:44,982 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4487 to 4487. [2024-11-03 05:42:44,985 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4487 states, 4486 states have (on average 1.4039233169861791) internal successors, (6298), 4486 states have internal predecessors, (6298), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-03 05:42:45,009 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4487 states to 4487 states and 6298 transitions. [2024-11-03 05:42:45,010 INFO L78 Accepts]: Start accepts. Automaton has 4487 states and 6298 transitions. Word has length 292 [2024-11-03 05:42:45,010 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-03 05:42:45,010 INFO L471 AbstractCegarLoop]: Abstraction has 4487 states and 6298 transitions. [2024-11-03 05:42:45,010 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 47.333333333333336) internal successors, (142), 3 states have internal predecessors, (142), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-03 05:42:45,010 INFO L276 IsEmpty]: Start isEmpty. Operand 4487 states and 6298 transitions. [2024-11-03 05:42:45,013 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 294 [2024-11-03 05:42:45,013 INFO L207 NwaCegarLoop]: Found error trace [2024-11-03 05:42:45,014 INFO L215 NwaCegarLoop]: trace histogram [9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 8, 8, 8, 8, 8, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-03 05:42:45,016 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc5 --incremental --print-success --lang smt (30)] Forceful destruction successful, exit code 0 [2024-11-03 05:42:45,215 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 30 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc5 --incremental --print-success --lang smt [2024-11-03 05:42:45,216 INFO L396 AbstractCegarLoop]: === Iteration 30 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-03 05:42:45,216 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-03 05:42:45,216 INFO L85 PathProgramCache]: Analyzing trace with hash -1031691114, now seen corresponding path program 1 times [2024-11-03 05:42:45,216 INFO L118 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2024-11-03 05:42:45,216 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [983457509] [2024-11-03 05:42:45,216 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-03 05:42:45,216 INFO L173 SolverBuilder]: Constructing external solver with command: cvc5 --incremental --print-success --lang smt [2024-11-03 05:42:45,217 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc5 [2024-11-03 05:42:45,217 INFO L229 MonitoredProcess]: Starting monitored process 31 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc5 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-03 05:42:45,218 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc5 --incremental --print-success --lang smt (31)] Waiting until timeout for monitored process [2024-11-03 05:42:45,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-03 05:42:45,306 INFO L255 TraceCheckSpWp]: Trace formula consists of 330 conjuncts, 48 conjuncts are in the unsatisfiable core [2024-11-03 05:42:45,309 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-03 05:42:45,380 INFO L134 CoverageAnalysis]: Checked inductivity of 788 backedges. 437 proven. 68 refuted. 0 times theorem prover too weak. 283 trivial. 0 not checked. [2024-11-03 05:42:45,380 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-03 05:42:45,405 INFO L134 CoverageAnalysis]: Checked inductivity of 788 backedges. 455 proven. 0 refuted. 0 times theorem prover too weak. 333 trivial. 0 not checked. [2024-11-03 05:42:45,406 INFO L136 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2024-11-03 05:42:45,406 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [983457509] [2024-11-03 05:42:45,406 INFO L158 FreeRefinementEngine]: IpTcStrategyModulePreferences [983457509] provided 1 perfect and 1 imperfect interpolant sequences [2024-11-03 05:42:45,406 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-03 05:42:45,406 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [8] total 9 [2024-11-03 05:42:45,406 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2076358062] [2024-11-03 05:42:45,406 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-03 05:42:45,406 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-03 05:42:45,406 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2024-11-03 05:42:45,407 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-03 05:42:45,407 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2024-11-03 05:42:45,407 INFO L87 Difference]: Start difference. First operand 4487 states and 6298 transitions. Second operand has 3 states, 3 states have (on average 47.666666666666664) internal successors, (143), 3 states have internal predecessors, (143), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-03 05:42:45,538 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-03 05:42:45,538 INFO L93 Difference]: Finished difference Result 8927 states and 12537 transitions. [2024-11-03 05:42:45,538 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-03 05:42:45,538 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 47.666666666666664) internal successors, (143), 3 states have internal predecessors, (143), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 293 [2024-11-03 05:42:45,538 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-03 05:42:45,542 INFO L225 Difference]: With dead ends: 8927 [2024-11-03 05:42:45,542 INFO L226 Difference]: Without dead ends: 4487 [2024-11-03 05:42:45,545 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 584 GetRequests, 577 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2024-11-03 05:42:45,545 INFO L432 NwaCegarLoop]: 126 mSDtfsCounter, 59 mSDsluCounter, 73 mSDsCounter, 0 mSdLazyCounter, 116 mSolverCounterSat, 29 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 59 SdHoareTripleChecker+Valid, 199 SdHoareTripleChecker+Invalid, 145 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 29 IncrementalHoareTripleChecker+Valid, 116 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-03 05:42:45,545 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [59 Valid, 199 Invalid, 145 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [29 Valid, 116 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-03 05:42:45,547 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4487 states. [2024-11-03 05:42:45,673 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4487 to 4487. [2024-11-03 05:42:45,676 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4487 states, 4486 states have (on average 1.3918858671422203) internal successors, (6244), 4486 states have internal predecessors, (6244), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-03 05:42:45,682 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4487 states to 4487 states and 6244 transitions. [2024-11-03 05:42:45,683 INFO L78 Accepts]: Start accepts. Automaton has 4487 states and 6244 transitions. Word has length 293 [2024-11-03 05:42:45,683 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-03 05:42:45,683 INFO L471 AbstractCegarLoop]: Abstraction has 4487 states and 6244 transitions. [2024-11-03 05:42:45,683 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 47.666666666666664) internal successors, (143), 3 states have internal predecessors, (143), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-03 05:42:45,683 INFO L276 IsEmpty]: Start isEmpty. Operand 4487 states and 6244 transitions. [2024-11-03 05:42:45,688 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 309 [2024-11-03 05:42:45,688 INFO L207 NwaCegarLoop]: Found error trace [2024-11-03 05:42:45,688 INFO L215 NwaCegarLoop]: trace histogram [10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 9, 9, 8, 8, 8, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-03 05:42:45,692 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc5 --incremental --print-success --lang smt (31)] Ended with exit code 0 [2024-11-03 05:42:45,888 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 31 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc5 --incremental --print-success --lang smt [2024-11-03 05:42:45,889 INFO L396 AbstractCegarLoop]: === Iteration 31 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-03 05:42:45,889 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-03 05:42:45,889 INFO L85 PathProgramCache]: Analyzing trace with hash -86423524, now seen corresponding path program 1 times [2024-11-03 05:42:45,889 INFO L118 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2024-11-03 05:42:45,889 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1509424132] [2024-11-03 05:42:45,889 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-03 05:42:45,890 INFO L173 SolverBuilder]: Constructing external solver with command: cvc5 --incremental --print-success --lang smt [2024-11-03 05:42:45,890 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc5 [2024-11-03 05:42:45,892 INFO L229 MonitoredProcess]: Starting monitored process 32 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc5 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-03 05:42:45,893 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc5 --incremental --print-success --lang smt (32)] Waiting until timeout for monitored process [2024-11-03 05:42:45,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-03 05:42:46,001 INFO L255 TraceCheckSpWp]: Trace formula consists of 348 conjuncts, 48 conjuncts are in the unsatisfiable core [2024-11-03 05:42:46,006 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-03 05:42:46,065 INFO L134 CoverageAnalysis]: Checked inductivity of 900 backedges. 517 proven. 68 refuted. 0 times theorem prover too weak. 315 trivial. 0 not checked. [2024-11-03 05:42:46,065 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-03 05:42:46,083 INFO L134 CoverageAnalysis]: Checked inductivity of 900 backedges. 535 proven. 0 refuted. 0 times theorem prover too weak. 365 trivial. 0 not checked. [2024-11-03 05:42:46,083 INFO L136 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2024-11-03 05:42:46,083 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1509424132] [2024-11-03 05:42:46,083 INFO L158 FreeRefinementEngine]: IpTcStrategyModulePreferences [1509424132] provided 1 perfect and 1 imperfect interpolant sequences [2024-11-03 05:42:46,083 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-03 05:42:46,084 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [8] total 9 [2024-11-03 05:42:46,084 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2147453678] [2024-11-03 05:42:46,084 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-03 05:42:46,084 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-03 05:42:46,084 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2024-11-03 05:42:46,084 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-03 05:42:46,084 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=52, Unknown=0, NotChecked=0, Total=72 [2024-11-03 05:42:46,085 INFO L87 Difference]: Start difference. First operand 4487 states and 6244 transitions. Second operand has 3 states, 3 states have (on average 47.666666666666664) internal successors, (143), 3 states have internal predecessors, (143), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-03 05:42:46,212 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-03 05:42:46,212 INFO L93 Difference]: Finished difference Result 8927 states and 12429 transitions. [2024-11-03 05:42:46,212 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-03 05:42:46,212 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 47.666666666666664) internal successors, (143), 3 states have internal predecessors, (143), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 308 [2024-11-03 05:42:46,213 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-03 05:42:46,216 INFO L225 Difference]: With dead ends: 8927 [2024-11-03 05:42:46,216 INFO L226 Difference]: Without dead ends: 4487 [2024-11-03 05:42:46,219 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 614 GetRequests, 607 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=20, Invalid=52, Unknown=0, NotChecked=0, Total=72 [2024-11-03 05:42:46,219 INFO L432 NwaCegarLoop]: 136 mSDtfsCounter, 53 mSDsluCounter, 83 mSDsCounter, 0 mSdLazyCounter, 114 mSolverCounterSat, 27 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 53 SdHoareTripleChecker+Valid, 219 SdHoareTripleChecker+Invalid, 141 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 27 IncrementalHoareTripleChecker+Valid, 114 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-03 05:42:46,219 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [53 Valid, 219 Invalid, 141 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [27 Valid, 114 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-03 05:42:46,221 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4487 states. [2024-11-03 05:42:46,312 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4487 to 4487. [2024-11-03 05:42:46,315 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4487 states, 4486 states have (on average 1.3798484172982612) internal successors, (6190), 4486 states have internal predecessors, (6190), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-03 05:42:46,318 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4487 states to 4487 states and 6190 transitions. [2024-11-03 05:42:46,319 INFO L78 Accepts]: Start accepts. Automaton has 4487 states and 6190 transitions. Word has length 308 [2024-11-03 05:42:46,319 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-03 05:42:46,319 INFO L471 AbstractCegarLoop]: Abstraction has 4487 states and 6190 transitions. [2024-11-03 05:42:46,319 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 47.666666666666664) internal successors, (143), 3 states have internal predecessors, (143), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-03 05:42:46,319 INFO L276 IsEmpty]: Start isEmpty. Operand 4487 states and 6190 transitions. [2024-11-03 05:42:46,323 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 310 [2024-11-03 05:42:46,323 INFO L207 NwaCegarLoop]: Found error trace [2024-11-03 05:42:46,323 INFO L215 NwaCegarLoop]: trace histogram [10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 9, 9, 9, 8, 8, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-03 05:42:46,325 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc5 --incremental --print-success --lang smt (32)] Forceful destruction successful, exit code 0 [2024-11-03 05:42:46,523 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 32 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc5 --incremental --print-success --lang smt [2024-11-03 05:42:46,524 INFO L396 AbstractCegarLoop]: === Iteration 32 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-03 05:42:46,524 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-03 05:42:46,524 INFO L85 PathProgramCache]: Analyzing trace with hash -397613470, now seen corresponding path program 1 times [2024-11-03 05:42:46,524 INFO L118 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2024-11-03 05:42:46,524 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [610127553] [2024-11-03 05:42:46,524 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-03 05:42:46,525 INFO L173 SolverBuilder]: Constructing external solver with command: cvc5 --incremental --print-success --lang smt [2024-11-03 05:42:46,525 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc5 [2024-11-03 05:42:46,526 INFO L229 MonitoredProcess]: Starting monitored process 33 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc5 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-03 05:42:46,526 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc5 --incremental --print-success --lang smt (33)] Waiting until timeout for monitored process [2024-11-03 05:42:46,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-03 05:42:46,622 INFO L255 TraceCheckSpWp]: Trace formula consists of 349 conjuncts, 48 conjuncts are in the unsatisfiable core [2024-11-03 05:42:46,626 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-03 05:42:46,679 INFO L134 CoverageAnalysis]: Checked inductivity of 908 backedges. 535 proven. 56 refuted. 0 times theorem prover too weak. 317 trivial. 0 not checked. [2024-11-03 05:42:46,680 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-03 05:42:46,701 INFO L134 CoverageAnalysis]: Checked inductivity of 908 backedges. 543 proven. 0 refuted. 0 times theorem prover too weak. 365 trivial. 0 not checked. [2024-11-03 05:42:46,702 INFO L136 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2024-11-03 05:42:46,702 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [610127553] [2024-11-03 05:42:46,702 INFO L158 FreeRefinementEngine]: IpTcStrategyModulePreferences [610127553] provided 1 perfect and 1 imperfect interpolant sequences [2024-11-03 05:42:46,702 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-03 05:42:46,702 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [7] total 8 [2024-11-03 05:42:46,702 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [94337493] [2024-11-03 05:42:46,702 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-03 05:42:46,702 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-03 05:42:46,703 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2024-11-03 05:42:46,703 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-03 05:42:46,703 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2024-11-03 05:42:46,703 INFO L87 Difference]: Start difference. First operand 4487 states and 6190 transitions. Second operand has 3 states, 3 states have (on average 48.0) internal successors, (144), 3 states have internal predecessors, (144), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-03 05:42:46,861 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-03 05:42:46,861 INFO L93 Difference]: Finished difference Result 8927 states and 12321 transitions. [2024-11-03 05:42:46,862 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-03 05:42:46,862 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 48.0) internal successors, (144), 3 states have internal predecessors, (144), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 309 [2024-11-03 05:42:46,862 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-03 05:42:46,866 INFO L225 Difference]: With dead ends: 8927 [2024-11-03 05:42:46,866 INFO L226 Difference]: Without dead ends: 4487 [2024-11-03 05:42:46,871 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 616 GetRequests, 610 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2024-11-03 05:42:46,871 INFO L432 NwaCegarLoop]: 126 mSDtfsCounter, 62 mSDsluCounter, 73 mSDsCounter, 0 mSdLazyCounter, 113 mSolverCounterSat, 29 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 62 SdHoareTripleChecker+Valid, 199 SdHoareTripleChecker+Invalid, 142 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 29 IncrementalHoareTripleChecker+Valid, 113 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-03 05:42:46,871 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [62 Valid, 199 Invalid, 142 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [29 Valid, 113 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-03 05:42:46,874 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4487 states. [2024-11-03 05:42:46,965 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4487 to 4487. [2024-11-03 05:42:46,968 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4487 states, 4486 states have (on average 1.3678109674543022) internal successors, (6136), 4486 states have internal predecessors, (6136), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-03 05:42:46,972 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4487 states to 4487 states and 6136 transitions. [2024-11-03 05:42:46,973 INFO L78 Accepts]: Start accepts. Automaton has 4487 states and 6136 transitions. Word has length 309 [2024-11-03 05:42:46,973 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-03 05:42:46,973 INFO L471 AbstractCegarLoop]: Abstraction has 4487 states and 6136 transitions. [2024-11-03 05:42:46,973 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 48.0) internal successors, (144), 3 states have internal predecessors, (144), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-03 05:42:46,973 INFO L276 IsEmpty]: Start isEmpty. Operand 4487 states and 6136 transitions. [2024-11-03 05:42:46,977 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 311 [2024-11-03 05:42:46,977 INFO L207 NwaCegarLoop]: Found error trace [2024-11-03 05:42:46,978 INFO L215 NwaCegarLoop]: trace histogram [10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 9, 9, 9, 9, 8, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-03 05:42:46,980 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc5 --incremental --print-success --lang smt (33)] Forceful destruction successful, exit code 0 [2024-11-03 05:42:47,179 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 33 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc5 --incremental --print-success --lang smt [2024-11-03 05:42:47,179 INFO L396 AbstractCegarLoop]: === Iteration 33 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-03 05:42:47,179 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-03 05:42:47,179 INFO L85 PathProgramCache]: Analyzing trace with hash -1158463519, now seen corresponding path program 1 times [2024-11-03 05:42:47,180 INFO L118 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2024-11-03 05:42:47,180 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [845774227] [2024-11-03 05:42:47,180 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-03 05:42:47,180 INFO L173 SolverBuilder]: Constructing external solver with command: cvc5 --incremental --print-success --lang smt [2024-11-03 05:42:47,180 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc5 [2024-11-03 05:42:47,181 INFO L229 MonitoredProcess]: Starting monitored process 34 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc5 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-03 05:42:47,181 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc5 --incremental --print-success --lang smt (34)] Waiting until timeout for monitored process [2024-11-03 05:42:47,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-03 05:42:47,283 INFO L255 TraceCheckSpWp]: Trace formula consists of 350 conjuncts, 48 conjuncts are in the unsatisfiable core [2024-11-03 05:42:47,287 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-03 05:42:47,347 INFO L134 CoverageAnalysis]: Checked inductivity of 916 backedges. 543 proven. 56 refuted. 0 times theorem prover too weak. 317 trivial. 0 not checked. [2024-11-03 05:42:47,347 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-03 05:42:47,371 INFO L134 CoverageAnalysis]: Checked inductivity of 916 backedges. 551 proven. 0 refuted. 0 times theorem prover too weak. 365 trivial. 0 not checked. [2024-11-03 05:42:47,371 INFO L136 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2024-11-03 05:42:47,371 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [845774227] [2024-11-03 05:42:47,371 INFO L158 FreeRefinementEngine]: IpTcStrategyModulePreferences [845774227] provided 1 perfect and 1 imperfect interpolant sequences [2024-11-03 05:42:47,372 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-03 05:42:47,372 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [7] total 8 [2024-11-03 05:42:47,372 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [344864143] [2024-11-03 05:42:47,372 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-03 05:42:47,372 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-03 05:42:47,372 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2024-11-03 05:42:47,372 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-03 05:42:47,373 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2024-11-03 05:42:47,373 INFO L87 Difference]: Start difference. First operand 4487 states and 6136 transitions. Second operand has 3 states, 3 states have (on average 48.333333333333336) internal successors, (145), 3 states have internal predecessors, (145), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-03 05:42:47,518 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-03 05:42:47,518 INFO L93 Difference]: Finished difference Result 9087 states and 12461 transitions. [2024-11-03 05:42:47,518 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-03 05:42:47,518 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 48.333333333333336) internal successors, (145), 3 states have internal predecessors, (145), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 310 [2024-11-03 05:42:47,518 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-03 05:42:47,523 INFO L225 Difference]: With dead ends: 9087 [2024-11-03 05:42:47,523 INFO L226 Difference]: Without dead ends: 4647 [2024-11-03 05:42:47,526 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 618 GetRequests, 612 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2024-11-03 05:42:47,527 INFO L432 NwaCegarLoop]: 127 mSDtfsCounter, 61 mSDsluCounter, 73 mSDsCounter, 0 mSdLazyCounter, 114 mSolverCounterSat, 28 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 61 SdHoareTripleChecker+Valid, 200 SdHoareTripleChecker+Invalid, 142 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 28 IncrementalHoareTripleChecker+Valid, 114 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-03 05:42:47,527 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [61 Valid, 200 Invalid, 142 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [28 Valid, 114 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-03 05:42:47,528 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4647 states. [2024-11-03 05:42:47,622 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4647 to 4647. [2024-11-03 05:42:47,626 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4647 states, 4646 states have (on average 1.3624623331898407) internal successors, (6330), 4646 states have internal predecessors, (6330), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-03 05:42:47,630 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4647 states to 4647 states and 6330 transitions. [2024-11-03 05:42:47,630 INFO L78 Accepts]: Start accepts. Automaton has 4647 states and 6330 transitions. Word has length 310 [2024-11-03 05:42:47,631 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-03 05:42:47,631 INFO L471 AbstractCegarLoop]: Abstraction has 4647 states and 6330 transitions. [2024-11-03 05:42:47,631 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 48.333333333333336) internal successors, (145), 3 states have internal predecessors, (145), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-03 05:42:47,631 INFO L276 IsEmpty]: Start isEmpty. Operand 4647 states and 6330 transitions. [2024-11-03 05:42:47,635 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 323 [2024-11-03 05:42:47,635 INFO L207 NwaCegarLoop]: Found error trace [2024-11-03 05:42:47,635 INFO L215 NwaCegarLoop]: trace histogram [11, 11, 11, 10, 10, 10, 10, 10, 10, 10, 10, 10, 8, 8, 8, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-03 05:42:47,638 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc5 --incremental --print-success --lang smt (34)] Ended with exit code 0 [2024-11-03 05:42:47,837 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 34 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc5 --incremental --print-success --lang smt [2024-11-03 05:42:47,837 INFO L396 AbstractCegarLoop]: === Iteration 34 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-03 05:42:47,837 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-03 05:42:47,837 INFO L85 PathProgramCache]: Analyzing trace with hash 2097732606, now seen corresponding path program 1 times [2024-11-03 05:42:47,838 INFO L118 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2024-11-03 05:42:47,838 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [150362136] [2024-11-03 05:42:47,838 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-03 05:42:47,838 INFO L173 SolverBuilder]: Constructing external solver with command: cvc5 --incremental --print-success --lang smt [2024-11-03 05:42:47,838 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc5 [2024-11-03 05:42:47,839 INFO L229 MonitoredProcess]: Starting monitored process 35 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc5 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-03 05:42:47,839 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc5 --incremental --print-success --lang smt (35)] Waiting until timeout for monitored process [2024-11-03 05:42:47,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-03 05:42:47,932 INFO L255 TraceCheckSpWp]: Trace formula consists of 366 conjuncts, 48 conjuncts are in the unsatisfiable core [2024-11-03 05:42:47,935 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-03 05:42:47,984 INFO L134 CoverageAnalysis]: Checked inductivity of 958 backedges. 536 proven. 68 refuted. 0 times theorem prover too weak. 354 trivial. 0 not checked. [2024-11-03 05:42:47,985 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-03 05:42:47,998 INFO L134 CoverageAnalysis]: Checked inductivity of 958 backedges. 554 proven. 0 refuted. 0 times theorem prover too weak. 404 trivial. 0 not checked. [2024-11-03 05:42:47,998 INFO L136 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2024-11-03 05:42:47,998 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [150362136] [2024-11-03 05:42:47,998 INFO L158 FreeRefinementEngine]: IpTcStrategyModulePreferences [150362136] provided 1 perfect and 1 imperfect interpolant sequences [2024-11-03 05:42:47,998 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-03 05:42:47,998 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [8] total 9 [2024-11-03 05:42:47,998 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1217696771] [2024-11-03 05:42:47,998 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-03 05:42:47,999 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-03 05:42:47,999 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2024-11-03 05:42:47,999 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-03 05:42:47,999 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2024-11-03 05:42:47,999 INFO L87 Difference]: Start difference. First operand 4647 states and 6330 transitions. Second operand has 3 states, 3 states have (on average 48.333333333333336) internal successors, (145), 3 states have internal predecessors, (145), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-03 05:42:48,134 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-03 05:42:48,134 INFO L93 Difference]: Finished difference Result 9279 states and 12641 transitions. [2024-11-03 05:42:48,135 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-03 05:42:48,135 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 48.333333333333336) internal successors, (145), 3 states have internal predecessors, (145), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 322 [2024-11-03 05:42:48,135 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-03 05:42:48,142 INFO L225 Difference]: With dead ends: 9279 [2024-11-03 05:42:48,142 INFO L226 Difference]: Without dead ends: 4679 [2024-11-03 05:42:48,147 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 642 GetRequests, 635 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2024-11-03 05:42:48,148 INFO L432 NwaCegarLoop]: 124 mSDtfsCounter, 69 mSDsluCounter, 82 mSDsCounter, 0 mSdLazyCounter, 106 mSolverCounterSat, 25 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 69 SdHoareTripleChecker+Valid, 206 SdHoareTripleChecker+Invalid, 131 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 25 IncrementalHoareTripleChecker+Valid, 106 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-03 05:42:48,148 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [69 Valid, 206 Invalid, 131 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [25 Valid, 106 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-03 05:42:48,151 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4679 states. [2024-11-03 05:42:48,316 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4679 to 4647. [2024-11-03 05:42:48,319 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4647 states, 4646 states have (on average 1.3482565647869136) internal successors, (6264), 4646 states have internal predecessors, (6264), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-03 05:42:48,326 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4647 states to 4647 states and 6264 transitions. [2024-11-03 05:42:48,327 INFO L78 Accepts]: Start accepts. Automaton has 4647 states and 6264 transitions. Word has length 322 [2024-11-03 05:42:48,327 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-03 05:42:48,327 INFO L471 AbstractCegarLoop]: Abstraction has 4647 states and 6264 transitions. [2024-11-03 05:42:48,327 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 48.333333333333336) internal successors, (145), 3 states have internal predecessors, (145), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-03 05:42:48,328 INFO L276 IsEmpty]: Start isEmpty. Operand 4647 states and 6264 transitions. [2024-11-03 05:42:48,333 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 324 [2024-11-03 05:42:48,333 INFO L207 NwaCegarLoop]: Found error trace [2024-11-03 05:42:48,333 INFO L215 NwaCegarLoop]: trace histogram [11, 11, 11, 11, 10, 10, 10, 10, 10, 10, 10, 10, 8, 8, 8, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-03 05:42:48,335 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc5 --incremental --print-success --lang smt (35)] Ended with exit code 0 [2024-11-03 05:42:48,534 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 35 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc5 --incremental --print-success --lang smt [2024-11-03 05:42:48,534 INFO L396 AbstractCegarLoop]: === Iteration 35 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-03 05:42:48,534 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-03 05:42:48,534 INFO L85 PathProgramCache]: Analyzing trace with hash 155036511, now seen corresponding path program 1 times [2024-11-03 05:42:48,534 INFO L118 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2024-11-03 05:42:48,535 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [816049751] [2024-11-03 05:42:48,535 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-03 05:42:48,535 INFO L173 SolverBuilder]: Constructing external solver with command: cvc5 --incremental --print-success --lang smt [2024-11-03 05:42:48,535 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc5 [2024-11-03 05:42:48,536 INFO L229 MonitoredProcess]: Starting monitored process 36 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc5 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-03 05:42:48,537 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc5 --incremental --print-success --lang smt (36)] Waiting until timeout for monitored process [2024-11-03 05:42:48,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-03 05:42:48,639 INFO L255 TraceCheckSpWp]: Trace formula consists of 367 conjuncts, 48 conjuncts are in the unsatisfiable core [2024-11-03 05:42:48,642 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-03 05:42:48,691 INFO L134 CoverageAnalysis]: Checked inductivity of 968 backedges. 556 proven. 56 refuted. 0 times theorem prover too weak. 356 trivial. 0 not checked. [2024-11-03 05:42:48,691 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-03 05:42:48,707 INFO L134 CoverageAnalysis]: Checked inductivity of 968 backedges. 564 proven. 0 refuted. 0 times theorem prover too weak. 404 trivial. 0 not checked. [2024-11-03 05:42:48,707 INFO L136 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2024-11-03 05:42:48,707 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [816049751] [2024-11-03 05:42:48,707 INFO L158 FreeRefinementEngine]: IpTcStrategyModulePreferences [816049751] provided 1 perfect and 1 imperfect interpolant sequences [2024-11-03 05:42:48,707 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-03 05:42:48,707 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [7] total 8 [2024-11-03 05:42:48,708 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [600066413] [2024-11-03 05:42:48,708 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-03 05:42:48,708 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-03 05:42:48,708 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2024-11-03 05:42:48,708 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-03 05:42:48,708 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2024-11-03 05:42:48,708 INFO L87 Difference]: Start difference. First operand 4647 states and 6264 transitions. Second operand has 3 states, 3 states have (on average 48.666666666666664) internal successors, (146), 3 states have internal predecessors, (146), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-03 05:42:48,842 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-03 05:42:48,842 INFO L93 Difference]: Finished difference Result 9279 states and 12509 transitions. [2024-11-03 05:42:48,842 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-03 05:42:48,843 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 48.666666666666664) internal successors, (146), 3 states have internal predecessors, (146), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 323 [2024-11-03 05:42:48,843 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-03 05:42:48,847 INFO L225 Difference]: With dead ends: 9279 [2024-11-03 05:42:48,847 INFO L226 Difference]: Without dead ends: 4679 [2024-11-03 05:42:48,849 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 644 GetRequests, 638 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2024-11-03 05:42:48,850 INFO L432 NwaCegarLoop]: 125 mSDtfsCounter, 67 mSDsluCounter, 82 mSDsCounter, 0 mSdLazyCounter, 106 mSolverCounterSat, 26 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 67 SdHoareTripleChecker+Valid, 207 SdHoareTripleChecker+Invalid, 132 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 26 IncrementalHoareTripleChecker+Valid, 106 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-03 05:42:48,850 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [67 Valid, 207 Invalid, 132 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [26 Valid, 106 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-03 05:42:48,851 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4679 states. [2024-11-03 05:42:48,945 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4679 to 4647. [2024-11-03 05:42:48,948 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4647 states, 4646 states have (on average 1.3340507963839863) internal successors, (6198), 4646 states have internal predecessors, (6198), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-03 05:42:48,952 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4647 states to 4647 states and 6198 transitions. [2024-11-03 05:42:48,953 INFO L78 Accepts]: Start accepts. Automaton has 4647 states and 6198 transitions. Word has length 323 [2024-11-03 05:42:48,953 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-03 05:42:48,953 INFO L471 AbstractCegarLoop]: Abstraction has 4647 states and 6198 transitions. [2024-11-03 05:42:48,953 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 48.666666666666664) internal successors, (146), 3 states have internal predecessors, (146), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-03 05:42:48,953 INFO L276 IsEmpty]: Start isEmpty. Operand 4647 states and 6198 transitions. [2024-11-03 05:42:48,957 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 324 [2024-11-03 05:42:48,957 INFO L207 NwaCegarLoop]: Found error trace [2024-11-03 05:42:48,957 INFO L215 NwaCegarLoop]: trace histogram [11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 10, 10, 10, 10, 10, 9, 9, 8, 8, 7, 7, 6, 6, 6, 6, 6, 5, 5, 4, 4, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-03 05:42:48,959 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc5 --incremental --print-success --lang smt (36)] Forceful destruction successful, exit code 0 [2024-11-03 05:42:49,158 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 36 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc5 --incremental --print-success --lang smt [2024-11-03 05:42:49,158 INFO L396 AbstractCegarLoop]: === Iteration 36 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-03 05:42:49,158 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-03 05:42:49,158 INFO L85 PathProgramCache]: Analyzing trace with hash -154953055, now seen corresponding path program 1 times [2024-11-03 05:42:49,158 INFO L118 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2024-11-03 05:42:49,159 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [803921863] [2024-11-03 05:42:49,159 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-03 05:42:49,159 INFO L173 SolverBuilder]: Constructing external solver with command: cvc5 --incremental --print-success --lang smt [2024-11-03 05:42:49,159 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc5 [2024-11-03 05:42:49,160 INFO L229 MonitoredProcess]: Starting monitored process 37 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc5 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-03 05:42:49,160 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc5 --incremental --print-success --lang smt (37)] Waiting until timeout for monitored process [2024-11-03 05:42:49,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-03 05:42:49,263 INFO L255 TraceCheckSpWp]: Trace formula consists of 367 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-03 05:42:49,265 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-03 05:42:49,295 INFO L134 CoverageAnalysis]: Checked inductivity of 1115 backedges. 642 proven. 0 refuted. 0 times theorem prover too weak. 473 trivial. 0 not checked. [2024-11-03 05:42:49,295 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-03 05:42:49,319 INFO L134 CoverageAnalysis]: Checked inductivity of 1115 backedges. 642 proven. 0 refuted. 0 times theorem prover too weak. 473 trivial. 0 not checked. [2024-11-03 05:42:49,319 INFO L136 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2024-11-03 05:42:49,319 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [803921863] [2024-11-03 05:42:49,319 INFO L158 FreeRefinementEngine]: IpTcStrategyModulePreferences [803921863] provided 2 perfect and 0 imperfect interpolant sequences [2024-11-03 05:42:49,319 INFO L185 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2024-11-03 05:42:49,319 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 3 [2024-11-03 05:42:49,319 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1796844728] [2024-11-03 05:42:49,320 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2024-11-03 05:42:49,320 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-03 05:42:49,320 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2024-11-03 05:42:49,320 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-03 05:42:49,320 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-03 05:42:49,321 INFO L87 Difference]: Start difference. First operand 4647 states and 6198 transitions. Second operand has 3 states, 3 states have (on average 45.333333333333336) internal successors, (136), 3 states have internal predecessors, (136), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-03 05:42:49,462 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-03 05:42:49,463 INFO L93 Difference]: Finished difference Result 9247 states and 12337 transitions. [2024-11-03 05:42:49,463 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-03 05:42:49,463 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 45.333333333333336) internal successors, (136), 3 states have internal predecessors, (136), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 323 [2024-11-03 05:42:49,463 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-03 05:42:49,467 INFO L225 Difference]: With dead ends: 9247 [2024-11-03 05:42:49,467 INFO L226 Difference]: Without dead ends: 4647 [2024-11-03 05:42:49,470 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 644 GetRequests, 643 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-03 05:42:49,470 INFO L432 NwaCegarLoop]: 204 mSDtfsCounter, 9 mSDsluCounter, 99 mSDsCounter, 0 mSdLazyCounter, 115 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9 SdHoareTripleChecker+Valid, 303 SdHoareTripleChecker+Invalid, 125 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 115 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-03 05:42:49,470 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [9 Valid, 303 Invalid, 125 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 115 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-03 05:42:49,472 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4647 states. [2024-11-03 05:42:49,566 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4647 to 4647. [2024-11-03 05:42:49,568 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4647 states, 4646 states have (on average 1.3202755058114508) internal successors, (6134), 4646 states have internal predecessors, (6134), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-03 05:42:49,572 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4647 states to 4647 states and 6134 transitions. [2024-11-03 05:42:49,572 INFO L78 Accepts]: Start accepts. Automaton has 4647 states and 6134 transitions. Word has length 323 [2024-11-03 05:42:49,572 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-03 05:42:49,573 INFO L471 AbstractCegarLoop]: Abstraction has 4647 states and 6134 transitions. [2024-11-03 05:42:49,573 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 45.333333333333336) internal successors, (136), 3 states have internal predecessors, (136), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-03 05:42:49,573 INFO L276 IsEmpty]: Start isEmpty. Operand 4647 states and 6134 transitions. [2024-11-03 05:42:49,576 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 325 [2024-11-03 05:42:49,576 INFO L207 NwaCegarLoop]: Found error trace [2024-11-03 05:42:49,576 INFO L215 NwaCegarLoop]: trace histogram [11, 11, 11, 11, 11, 10, 10, 10, 10, 10, 10, 10, 8, 8, 8, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-03 05:42:49,578 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc5 --incremental --print-success --lang smt (37)] Forceful destruction successful, exit code 0 [2024-11-03 05:42:49,777 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 37 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc5 --incremental --print-success --lang smt [2024-11-03 05:42:49,778 INFO L396 AbstractCegarLoop]: === Iteration 37 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-03 05:42:49,778 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-03 05:42:49,778 INFO L85 PathProgramCache]: Analyzing trace with hash -1013146055, now seen corresponding path program 1 times [2024-11-03 05:42:49,778 INFO L118 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2024-11-03 05:42:49,778 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1150961730] [2024-11-03 05:42:49,778 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-03 05:42:49,778 INFO L173 SolverBuilder]: Constructing external solver with command: cvc5 --incremental --print-success --lang smt [2024-11-03 05:42:49,778 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc5 [2024-11-03 05:42:49,779 INFO L229 MonitoredProcess]: Starting monitored process 38 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc5 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-03 05:42:49,780 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc5 --incremental --print-success --lang smt (38)] Waiting until timeout for monitored process [2024-11-03 05:42:49,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-03 05:42:49,876 INFO L255 TraceCheckSpWp]: Trace formula consists of 368 conjuncts, 48 conjuncts are in the unsatisfiable core [2024-11-03 05:42:49,879 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-03 05:42:49,933 INFO L134 CoverageAnalysis]: Checked inductivity of 978 backedges. 556 proven. 68 refuted. 0 times theorem prover too weak. 354 trivial. 0 not checked. [2024-11-03 05:42:49,933 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-03 05:42:49,948 INFO L134 CoverageAnalysis]: Checked inductivity of 978 backedges. 574 proven. 0 refuted. 0 times theorem prover too weak. 404 trivial. 0 not checked. [2024-11-03 05:42:49,948 INFO L136 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2024-11-03 05:42:49,948 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1150961730] [2024-11-03 05:42:49,948 INFO L158 FreeRefinementEngine]: IpTcStrategyModulePreferences [1150961730] provided 1 perfect and 1 imperfect interpolant sequences [2024-11-03 05:42:49,948 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-03 05:42:49,948 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [8] total 9 [2024-11-03 05:42:49,948 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [487629572] [2024-11-03 05:42:49,948 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-03 05:42:49,949 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-03 05:42:49,949 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2024-11-03 05:42:49,949 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-03 05:42:49,949 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2024-11-03 05:42:49,949 INFO L87 Difference]: Start difference. First operand 4647 states and 6134 transitions. Second operand has 3 states, 3 states have (on average 49.0) internal successors, (147), 3 states have internal predecessors, (147), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-03 05:42:50,088 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-03 05:42:50,088 INFO L93 Difference]: Finished difference Result 9279 states and 12249 transitions. [2024-11-03 05:42:50,088 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-03 05:42:50,089 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 49.0) internal successors, (147), 3 states have internal predecessors, (147), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 324 [2024-11-03 05:42:50,089 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-03 05:42:50,092 INFO L225 Difference]: With dead ends: 9279 [2024-11-03 05:42:50,092 INFO L226 Difference]: Without dead ends: 4679 [2024-11-03 05:42:50,095 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 646 GetRequests, 639 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2024-11-03 05:42:50,095 INFO L432 NwaCegarLoop]: 126 mSDtfsCounter, 65 mSDsluCounter, 82 mSDsCounter, 0 mSdLazyCounter, 106 mSolverCounterSat, 27 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 65 SdHoareTripleChecker+Valid, 208 SdHoareTripleChecker+Invalid, 133 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 27 IncrementalHoareTripleChecker+Valid, 106 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-03 05:42:50,095 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [65 Valid, 208 Invalid, 133 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [27 Valid, 106 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-03 05:42:50,097 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4679 states. [2024-11-03 05:42:50,196 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4679 to 4647. [2024-11-03 05:42:50,198 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4647 states, 4646 states have (on average 1.3077916487300905) internal successors, (6076), 4646 states have internal predecessors, (6076), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-03 05:42:50,201 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4647 states to 4647 states and 6076 transitions. [2024-11-03 05:42:50,202 INFO L78 Accepts]: Start accepts. Automaton has 4647 states and 6076 transitions. Word has length 324 [2024-11-03 05:42:50,202 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-03 05:42:50,202 INFO L471 AbstractCegarLoop]: Abstraction has 4647 states and 6076 transitions. [2024-11-03 05:42:50,202 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 49.0) internal successors, (147), 3 states have internal predecessors, (147), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-03 05:42:50,203 INFO L276 IsEmpty]: Start isEmpty. Operand 4647 states and 6076 transitions. [2024-11-03 05:42:50,205 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 326 [2024-11-03 05:42:50,205 INFO L207 NwaCegarLoop]: Found error trace [2024-11-03 05:42:50,205 INFO L215 NwaCegarLoop]: trace histogram [11, 11, 11, 11, 11, 11, 10, 10, 10, 10, 10, 10, 8, 8, 8, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-03 05:42:50,207 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc5 --incremental --print-success --lang smt (38)] Forceful destruction successful, exit code 0 [2024-11-03 05:42:50,406 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 38 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc5 --incremental --print-success --lang smt [2024-11-03 05:42:50,406 INFO L396 AbstractCegarLoop]: === Iteration 38 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-03 05:42:50,406 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-03 05:42:50,406 INFO L85 PathProgramCache]: Analyzing trace with hash 353754298, now seen corresponding path program 1 times [2024-11-03 05:42:50,406 INFO L118 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2024-11-03 05:42:50,407 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1550117735] [2024-11-03 05:42:50,407 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-03 05:42:50,407 INFO L173 SolverBuilder]: Constructing external solver with command: cvc5 --incremental --print-success --lang smt [2024-11-03 05:42:50,407 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc5 [2024-11-03 05:42:50,408 INFO L229 MonitoredProcess]: Starting monitored process 39 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc5 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-03 05:42:50,408 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc5 --incremental --print-success --lang smt (39)] Waiting until timeout for monitored process [2024-11-03 05:42:50,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-03 05:42:50,505 INFO L255 TraceCheckSpWp]: Trace formula consists of 369 conjuncts, 48 conjuncts are in the unsatisfiable core [2024-11-03 05:42:50,509 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-03 05:42:50,562 INFO L134 CoverageAnalysis]: Checked inductivity of 988 backedges. 566 proven. 68 refuted. 0 times theorem prover too weak. 354 trivial. 0 not checked. [2024-11-03 05:42:50,562 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-03 05:42:50,577 INFO L134 CoverageAnalysis]: Checked inductivity of 988 backedges. 584 proven. 0 refuted. 0 times theorem prover too weak. 404 trivial. 0 not checked. [2024-11-03 05:42:50,577 INFO L136 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2024-11-03 05:42:50,577 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1550117735] [2024-11-03 05:42:50,577 INFO L158 FreeRefinementEngine]: IpTcStrategyModulePreferences [1550117735] provided 1 perfect and 1 imperfect interpolant sequences [2024-11-03 05:42:50,577 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-03 05:42:50,578 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [8] total 9 [2024-11-03 05:42:50,578 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [925582617] [2024-11-03 05:42:50,578 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-03 05:42:50,578 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-03 05:42:50,578 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2024-11-03 05:42:50,578 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-03 05:42:50,578 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2024-11-03 05:42:50,578 INFO L87 Difference]: Start difference. First operand 4647 states and 6076 transitions. Second operand has 3 states, 3 states have (on average 49.333333333333336) internal successors, (148), 3 states have internal predecessors, (148), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-03 05:42:50,714 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-03 05:42:50,714 INFO L93 Difference]: Finished difference Result 9171 states and 11997 transitions. [2024-11-03 05:42:50,714 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-03 05:42:50,714 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 49.333333333333336) internal successors, (148), 3 states have internal predecessors, (148), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 325 [2024-11-03 05:42:50,714 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-03 05:42:50,719 INFO L225 Difference]: With dead ends: 9171 [2024-11-03 05:42:50,719 INFO L226 Difference]: Without dead ends: 4571 [2024-11-03 05:42:50,721 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 648 GetRequests, 641 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2024-11-03 05:42:50,721 INFO L432 NwaCegarLoop]: 127 mSDtfsCounter, 63 mSDsluCounter, 82 mSDsCounter, 0 mSdLazyCounter, 106 mSolverCounterSat, 28 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 63 SdHoareTripleChecker+Valid, 209 SdHoareTripleChecker+Invalid, 134 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 28 IncrementalHoareTripleChecker+Valid, 106 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-03 05:42:50,722 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [63 Valid, 209 Invalid, 134 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [28 Valid, 106 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-03 05:42:50,723 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4571 states. [2024-11-03 05:42:50,803 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4571 to 4539. [2024-11-03 05:42:50,805 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4539 states, 4538 states have (on average 1.2961657117672984) internal successors, (5882), 4538 states have internal predecessors, (5882), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-03 05:42:50,808 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4539 states to 4539 states and 5882 transitions. [2024-11-03 05:42:50,809 INFO L78 Accepts]: Start accepts. Automaton has 4539 states and 5882 transitions. Word has length 325 [2024-11-03 05:42:50,809 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-03 05:42:50,809 INFO L471 AbstractCegarLoop]: Abstraction has 4539 states and 5882 transitions. [2024-11-03 05:42:50,809 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 49.333333333333336) internal successors, (148), 3 states have internal predecessors, (148), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-03 05:42:50,809 INFO L276 IsEmpty]: Start isEmpty. Operand 4539 states and 5882 transitions. [2024-11-03 05:42:50,821 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 341 [2024-11-03 05:42:50,822 INFO L207 NwaCegarLoop]: Found error trace [2024-11-03 05:42:50,822 INFO L215 NwaCegarLoop]: trace histogram [11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 10, 10, 10, 10, 9, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 5, 5, 5, 5, 5, 5, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-03 05:42:50,824 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc5 --incremental --print-success --lang smt (39)] Ended with exit code 0 [2024-11-03 05:42:51,022 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 39 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc5 --incremental --print-success --lang smt [2024-11-03 05:42:51,023 INFO L396 AbstractCegarLoop]: === Iteration 39 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-03 05:42:51,023 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-03 05:42:51,023 INFO L85 PathProgramCache]: Analyzing trace with hash 244828943, now seen corresponding path program 1 times [2024-11-03 05:42:51,023 INFO L118 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2024-11-03 05:42:51,023 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1340754230] [2024-11-03 05:42:51,023 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-03 05:42:51,024 INFO L173 SolverBuilder]: Constructing external solver with command: cvc5 --incremental --print-success --lang smt [2024-11-03 05:42:51,024 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc5 [2024-11-03 05:42:51,025 INFO L229 MonitoredProcess]: Starting monitored process 40 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc5 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-03 05:42:51,026 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc5 --incremental --print-success --lang smt (40)] Waiting until timeout for monitored process [2024-11-03 05:42:51,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-03 05:42:51,142 INFO L255 TraceCheckSpWp]: Trace formula consists of 381 conjuncts, 48 conjuncts are in the unsatisfiable core [2024-11-03 05:42:51,147 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-03 05:42:51,246 INFO L134 CoverageAnalysis]: Checked inductivity of 1135 backedges. 707 proven. 68 refuted. 0 times theorem prover too weak. 360 trivial. 0 not checked. [2024-11-03 05:42:51,246 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-03 05:42:51,289 INFO L134 CoverageAnalysis]: Checked inductivity of 1135 backedges. 725 proven. 0 refuted. 0 times theorem prover too weak. 410 trivial. 0 not checked. [2024-11-03 05:42:51,289 INFO L136 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2024-11-03 05:42:51,289 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1340754230] [2024-11-03 05:42:51,290 INFO L158 FreeRefinementEngine]: IpTcStrategyModulePreferences [1340754230] provided 1 perfect and 1 imperfect interpolant sequences [2024-11-03 05:42:51,290 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-03 05:42:51,290 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [8] total 9 [2024-11-03 05:42:51,290 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1113007719] [2024-11-03 05:42:51,290 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-03 05:42:51,290 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-03 05:42:51,290 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2024-11-03 05:42:51,291 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-03 05:42:51,291 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2024-11-03 05:42:51,291 INFO L87 Difference]: Start difference. First operand 4539 states and 5882 transitions. Second operand has 3 states, 3 states have (on average 53.666666666666664) internal successors, (161), 3 states have internal predecessors, (161), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-03 05:42:51,494 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-03 05:42:51,494 INFO L93 Difference]: Finished difference Result 9031 states and 11705 transitions. [2024-11-03 05:42:51,494 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-03 05:42:51,494 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 53.666666666666664) internal successors, (161), 3 states have internal predecessors, (161), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 340 [2024-11-03 05:42:51,495 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-03 05:42:51,500 INFO L225 Difference]: With dead ends: 9031 [2024-11-03 05:42:51,500 INFO L226 Difference]: Without dead ends: 4539 [2024-11-03 05:42:51,503 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 678 GetRequests, 671 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2024-11-03 05:42:51,504 INFO L432 NwaCegarLoop]: 134 mSDtfsCounter, 45 mSDsluCounter, 73 mSDsCounter, 0 mSdLazyCounter, 118 mSolverCounterSat, 29 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 45 SdHoareTripleChecker+Valid, 207 SdHoareTripleChecker+Invalid, 147 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 29 IncrementalHoareTripleChecker+Valid, 118 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-03 05:42:51,504 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [45 Valid, 207 Invalid, 147 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [29 Valid, 118 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-03 05:42:51,506 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4539 states. [2024-11-03 05:42:51,593 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4539 to 4539. [2024-11-03 05:42:51,595 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4539 states, 4538 states have (on average 1.2873512560599383) internal successors, (5842), 4538 states have internal predecessors, (5842), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-03 05:42:51,598 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4539 states to 4539 states and 5842 transitions. [2024-11-03 05:42:51,599 INFO L78 Accepts]: Start accepts. Automaton has 4539 states and 5842 transitions. Word has length 340 [2024-11-03 05:42:51,599 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-03 05:42:51,600 INFO L471 AbstractCegarLoop]: Abstraction has 4539 states and 5842 transitions. [2024-11-03 05:42:51,600 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 53.666666666666664) internal successors, (161), 3 states have internal predecessors, (161), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-03 05:42:51,600 INFO L276 IsEmpty]: Start isEmpty. Operand 4539 states and 5842 transitions. [2024-11-03 05:42:51,602 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 342 [2024-11-03 05:42:51,602 INFO L207 NwaCegarLoop]: Found error trace [2024-11-03 05:42:51,602 INFO L215 NwaCegarLoop]: trace histogram [11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 10, 10, 10, 10, 9, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 5, 5, 5, 5, 5, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-03 05:42:51,604 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc5 --incremental --print-success --lang smt (40)] Ended with exit code 0 [2024-11-03 05:42:51,803 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 40 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc5 --incremental --print-success --lang smt [2024-11-03 05:42:51,803 INFO L396 AbstractCegarLoop]: === Iteration 40 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-03 05:42:51,803 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-03 05:42:51,803 INFO L85 PathProgramCache]: Analyzing trace with hash -797518411, now seen corresponding path program 1 times [2024-11-03 05:42:51,803 INFO L118 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2024-11-03 05:42:51,804 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1230812086] [2024-11-03 05:42:51,804 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-03 05:42:51,804 INFO L173 SolverBuilder]: Constructing external solver with command: cvc5 --incremental --print-success --lang smt [2024-11-03 05:42:51,804 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc5 [2024-11-03 05:42:51,805 INFO L229 MonitoredProcess]: Starting monitored process 41 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc5 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-03 05:42:51,805 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc5 --incremental --print-success --lang smt (41)] Waiting until timeout for monitored process [2024-11-03 05:42:51,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-03 05:42:51,907 INFO L255 TraceCheckSpWp]: Trace formula consists of 382 conjuncts, 48 conjuncts are in the unsatisfiable core [2024-11-03 05:42:51,911 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-03 05:42:51,997 INFO L134 CoverageAnalysis]: Checked inductivity of 1140 backedges. 712 proven. 68 refuted. 0 times theorem prover too weak. 360 trivial. 0 not checked. [2024-11-03 05:42:51,997 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-03 05:42:52,028 INFO L134 CoverageAnalysis]: Checked inductivity of 1140 backedges. 730 proven. 0 refuted. 0 times theorem prover too weak. 410 trivial. 0 not checked. [2024-11-03 05:42:52,028 INFO L136 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2024-11-03 05:42:52,028 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1230812086] [2024-11-03 05:42:52,028 INFO L158 FreeRefinementEngine]: IpTcStrategyModulePreferences [1230812086] provided 1 perfect and 1 imperfect interpolant sequences [2024-11-03 05:42:52,028 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-03 05:42:52,028 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [8] total 9 [2024-11-03 05:42:52,028 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1021616857] [2024-11-03 05:42:52,029 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-03 05:42:52,029 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-03 05:42:52,029 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2024-11-03 05:42:52,029 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-03 05:42:52,029 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2024-11-03 05:42:52,029 INFO L87 Difference]: Start difference. First operand 4539 states and 5842 transitions. Second operand has 3 states, 3 states have (on average 54.0) internal successors, (162), 3 states have internal predecessors, (162), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-03 05:42:52,190 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-03 05:42:52,190 INFO L93 Difference]: Finished difference Result 9031 states and 11625 transitions. [2024-11-03 05:42:52,191 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-03 05:42:52,191 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 54.0) internal successors, (162), 3 states have internal predecessors, (162), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 341 [2024-11-03 05:42:52,191 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-03 05:42:52,195 INFO L225 Difference]: With dead ends: 9031 [2024-11-03 05:42:52,195 INFO L226 Difference]: Without dead ends: 4483 [2024-11-03 05:42:52,198 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 680 GetRequests, 673 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2024-11-03 05:42:52,198 INFO L432 NwaCegarLoop]: 136 mSDtfsCounter, 44 mSDsluCounter, 73 mSDsCounter, 0 mSdLazyCounter, 119 mSolverCounterSat, 29 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 44 SdHoareTripleChecker+Valid, 209 SdHoareTripleChecker+Invalid, 148 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 29 IncrementalHoareTripleChecker+Valid, 119 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-03 05:42:52,198 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [44 Valid, 209 Invalid, 148 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [29 Valid, 119 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-03 05:42:52,200 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4483 states. [2024-11-03 05:42:52,283 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4483 to 4483. [2024-11-03 05:42:52,286 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4483 states, 4482 states have (on average 1.280678268630076) internal successors, (5740), 4482 states have internal predecessors, (5740), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-03 05:42:52,289 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4483 states to 4483 states and 5740 transitions. [2024-11-03 05:42:52,290 INFO L78 Accepts]: Start accepts. Automaton has 4483 states and 5740 transitions. Word has length 341 [2024-11-03 05:42:52,290 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-03 05:42:52,290 INFO L471 AbstractCegarLoop]: Abstraction has 4483 states and 5740 transitions. [2024-11-03 05:42:52,291 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 54.0) internal successors, (162), 3 states have internal predecessors, (162), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-03 05:42:52,291 INFO L276 IsEmpty]: Start isEmpty. Operand 4483 states and 5740 transitions. [2024-11-03 05:42:52,293 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 358 [2024-11-03 05:42:52,293 INFO L207 NwaCegarLoop]: Found error trace [2024-11-03 05:42:52,294 INFO L215 NwaCegarLoop]: trace histogram [12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 11, 11, 11, 11, 11, 10, 10, 9, 9, 8, 8, 7, 7, 7, 7, 6, 5, 5, 4, 4, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-03 05:42:52,296 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc5 --incremental --print-success --lang smt (41)] Forceful destruction successful, exit code 0 [2024-11-03 05:42:52,494 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 41 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc5 --incremental --print-success --lang smt [2024-11-03 05:42:52,494 INFO L396 AbstractCegarLoop]: === Iteration 41 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-03 05:42:52,495 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-03 05:42:52,495 INFO L85 PathProgramCache]: Analyzing trace with hash 1159744097, now seen corresponding path program 1 times [2024-11-03 05:42:52,495 INFO L118 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2024-11-03 05:42:52,495 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1551844175] [2024-11-03 05:42:52,495 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-03 05:42:52,495 INFO L173 SolverBuilder]: Constructing external solver with command: cvc5 --incremental --print-success --lang smt [2024-11-03 05:42:52,495 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc5 [2024-11-03 05:42:52,496 INFO L229 MonitoredProcess]: Starting monitored process 42 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc5 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-03 05:42:52,497 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc5 --incremental --print-success --lang smt (42)] Waiting until timeout for monitored process [2024-11-03 05:42:52,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-03 05:42:52,600 INFO L255 TraceCheckSpWp]: Trace formula consists of 401 conjuncts, 67 conjuncts are in the unsatisfiable core [2024-11-03 05:42:52,604 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-03 05:42:52,907 INFO L134 CoverageAnalysis]: Checked inductivity of 1358 backedges. 646 proven. 150 refuted. 0 times theorem prover too weak. 562 trivial. 0 not checked. [2024-11-03 05:42:52,908 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-03 05:42:53,137 INFO L134 CoverageAnalysis]: Checked inductivity of 1358 backedges. 751 proven. 70 refuted. 0 times theorem prover too weak. 537 trivial. 0 not checked. [2024-11-03 05:42:53,138 INFO L136 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2024-11-03 05:42:53,138 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1551844175] [2024-11-03 05:42:53,138 INFO L158 FreeRefinementEngine]: IpTcStrategyModulePreferences [1551844175] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-03 05:42:53,138 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-03 05:42:53,138 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 4] total 14 [2024-11-03 05:42:53,138 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1687916830] [2024-11-03 05:42:53,138 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-03 05:42:53,138 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2024-11-03 05:42:53,138 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2024-11-03 05:42:53,139 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2024-11-03 05:42:53,139 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=131, Unknown=0, NotChecked=0, Total=182 [2024-11-03 05:42:53,139 INFO L87 Difference]: Start difference. First operand 4483 states and 5740 transitions. Second operand has 14 states, 14 states have (on average 20.071428571428573) internal successors, (281), 14 states have internal predecessors, (281), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-03 05:42:54,153 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-03 05:42:54,153 INFO L93 Difference]: Finished difference Result 12349 states and 15857 transitions. [2024-11-03 05:42:54,153 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-11-03 05:42:54,153 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 14 states have (on average 20.071428571428573) internal successors, (281), 14 states have internal predecessors, (281), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 357 [2024-11-03 05:42:54,154 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-03 05:42:54,160 INFO L225 Difference]: With dead ends: 12349 [2024-11-03 05:42:54,160 INFO L226 Difference]: Without dead ends: 7913 [2024-11-03 05:42:54,162 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 718 GetRequests, 703 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 44 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=68, Invalid=204, Unknown=0, NotChecked=0, Total=272 [2024-11-03 05:42:54,163 INFO L432 NwaCegarLoop]: 355 mSDtfsCounter, 655 mSDsluCounter, 2053 mSDsCounter, 0 mSdLazyCounter, 3069 mSolverCounterSat, 68 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 655 SdHoareTripleChecker+Valid, 2408 SdHoareTripleChecker+Invalid, 3137 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 68 IncrementalHoareTripleChecker+Valid, 3069 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2024-11-03 05:42:54,163 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [655 Valid, 2408 Invalid, 3137 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [68 Valid, 3069 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2024-11-03 05:42:54,165 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7913 states. [2024-11-03 05:42:54,331 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7913 to 7913. [2024-11-03 05:42:54,336 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7913 states, 7912 states have (on average 1.2800808897876643) internal successors, (10128), 7912 states have internal predecessors, (10128), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-03 05:42:54,342 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7913 states to 7913 states and 10128 transitions. [2024-11-03 05:42:54,343 INFO L78 Accepts]: Start accepts. Automaton has 7913 states and 10128 transitions. Word has length 357 [2024-11-03 05:42:54,343 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-03 05:42:54,344 INFO L471 AbstractCegarLoop]: Abstraction has 7913 states and 10128 transitions. [2024-11-03 05:42:54,344 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 20.071428571428573) internal successors, (281), 14 states have internal predecessors, (281), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-03 05:42:54,344 INFO L276 IsEmpty]: Start isEmpty. Operand 7913 states and 10128 transitions. [2024-11-03 05:42:54,350 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 423 [2024-11-03 05:42:54,350 INFO L207 NwaCegarLoop]: Found error trace [2024-11-03 05:42:54,351 INFO L215 NwaCegarLoop]: trace histogram [14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 13, 13, 13, 13, 12, 10, 10, 10, 10, 9, 9, 8, 8, 8, 8, 6, 5, 5, 5, 5, 5, 5, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-03 05:42:54,353 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc5 --incremental --print-success --lang smt (42)] Ended with exit code 0 [2024-11-03 05:42:54,551 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 42 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc5 --incremental --print-success --lang smt [2024-11-03 05:42:54,551 INFO L396 AbstractCegarLoop]: === Iteration 42 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-03 05:42:54,552 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-03 05:42:54,552 INFO L85 PathProgramCache]: Analyzing trace with hash -1698159831, now seen corresponding path program 1 times [2024-11-03 05:42:54,552 INFO L118 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2024-11-03 05:42:54,552 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1594128422] [2024-11-03 05:42:54,552 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-03 05:42:54,552 INFO L173 SolverBuilder]: Constructing external solver with command: cvc5 --incremental --print-success --lang smt [2024-11-03 05:42:54,552 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc5 [2024-11-03 05:42:54,553 INFO L229 MonitoredProcess]: Starting monitored process 43 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc5 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-03 05:42:54,554 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc5 --incremental --print-success --lang smt (43)] Waiting until timeout for monitored process [2024-11-03 05:42:54,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-03 05:42:54,665 INFO L255 TraceCheckSpWp]: Trace formula consists of 468 conjuncts, 48 conjuncts are in the unsatisfiable core [2024-11-03 05:42:54,668 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-03 05:42:54,717 INFO L134 CoverageAnalysis]: Checked inductivity of 1850 backedges. 1119 proven. 56 refuted. 0 times theorem prover too weak. 675 trivial. 0 not checked. [2024-11-03 05:42:54,717 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-03 05:42:54,740 INFO L134 CoverageAnalysis]: Checked inductivity of 1850 backedges. 1127 proven. 0 refuted. 0 times theorem prover too weak. 723 trivial. 0 not checked. [2024-11-03 05:42:54,741 INFO L136 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2024-11-03 05:42:54,741 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1594128422] [2024-11-03 05:42:54,741 INFO L158 FreeRefinementEngine]: IpTcStrategyModulePreferences [1594128422] provided 1 perfect and 1 imperfect interpolant sequences [2024-11-03 05:42:54,741 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-03 05:42:54,741 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [7] total 8 [2024-11-03 05:42:54,741 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1063285950] [2024-11-03 05:42:54,741 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-03 05:42:54,741 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-03 05:42:54,741 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2024-11-03 05:42:54,742 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-03 05:42:54,742 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2024-11-03 05:42:54,742 INFO L87 Difference]: Start difference. First operand 7913 states and 10128 transitions. Second operand has 3 states, 3 states have (on average 57.0) internal successors, (171), 3 states have internal predecessors, (171), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-03 05:42:54,967 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-03 05:42:54,968 INFO L93 Difference]: Finished difference Result 15777 states and 20194 transitions. [2024-11-03 05:42:54,968 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-03 05:42:54,968 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 57.0) internal successors, (171), 3 states have internal predecessors, (171), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 422 [2024-11-03 05:42:54,968 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-03 05:42:54,974 INFO L225 Difference]: With dead ends: 15777 [2024-11-03 05:42:54,974 INFO L226 Difference]: Without dead ends: 7913 [2024-11-03 05:42:54,976 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 842 GetRequests, 836 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2024-11-03 05:42:54,976 INFO L432 NwaCegarLoop]: 133 mSDtfsCounter, 52 mSDsluCounter, 73 mSDsCounter, 0 mSdLazyCounter, 115 mSolverCounterSat, 28 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 52 SdHoareTripleChecker+Valid, 206 SdHoareTripleChecker+Invalid, 143 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 28 IncrementalHoareTripleChecker+Valid, 115 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-03 05:42:54,976 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [52 Valid, 206 Invalid, 143 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [28 Valid, 115 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-03 05:42:54,979 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7913 states. [2024-11-03 05:42:55,128 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7913 to 7913. [2024-11-03 05:42:55,132 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7913 states, 7912 states have (on average 1.2707280080889787) internal successors, (10054), 7912 states have internal predecessors, (10054), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-03 05:42:55,137 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7913 states to 7913 states and 10054 transitions. [2024-11-03 05:42:55,138 INFO L78 Accepts]: Start accepts. Automaton has 7913 states and 10054 transitions. Word has length 422 [2024-11-03 05:42:55,138 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-03 05:42:55,138 INFO L471 AbstractCegarLoop]: Abstraction has 7913 states and 10054 transitions. [2024-11-03 05:42:55,139 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 57.0) internal successors, (171), 3 states have internal predecessors, (171), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-03 05:42:55,139 INFO L276 IsEmpty]: Start isEmpty. Operand 7913 states and 10054 transitions. [2024-11-03 05:42:55,144 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 424 [2024-11-03 05:42:55,144 INFO L207 NwaCegarLoop]: Found error trace [2024-11-03 05:42:55,144 INFO L215 NwaCegarLoop]: trace histogram [14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 13, 13, 13, 13, 12, 10, 10, 10, 10, 10, 9, 8, 8, 8, 8, 6, 5, 5, 5, 5, 5, 5, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-03 05:42:55,146 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc5 --incremental --print-success --lang smt (43)] Forceful destruction successful, exit code 0 [2024-11-03 05:42:55,344 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 43 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc5 --incremental --print-success --lang smt [2024-11-03 05:42:55,344 INFO L396 AbstractCegarLoop]: === Iteration 43 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-03 05:42:55,345 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-03 05:42:55,345 INFO L85 PathProgramCache]: Analyzing trace with hash -1217808982, now seen corresponding path program 1 times [2024-11-03 05:42:55,345 INFO L118 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2024-11-03 05:42:55,345 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [368101451] [2024-11-03 05:42:55,345 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-03 05:42:55,345 INFO L173 SolverBuilder]: Constructing external solver with command: cvc5 --incremental --print-success --lang smt [2024-11-03 05:42:55,345 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc5 [2024-11-03 05:42:55,346 INFO L229 MonitoredProcess]: Starting monitored process 44 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc5 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-03 05:42:55,347 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc5 --incremental --print-success --lang smt (44)] Waiting until timeout for monitored process [2024-11-03 05:42:55,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-03 05:42:55,458 INFO L255 TraceCheckSpWp]: Trace formula consists of 469 conjuncts, 48 conjuncts are in the unsatisfiable core [2024-11-03 05:42:55,462 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-03 05:42:55,527 INFO L134 CoverageAnalysis]: Checked inductivity of 1859 backedges. 1118 proven. 68 refuted. 0 times theorem prover too weak. 673 trivial. 0 not checked. [2024-11-03 05:42:55,527 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-03 05:42:55,556 INFO L134 CoverageAnalysis]: Checked inductivity of 1859 backedges. 1136 proven. 0 refuted. 0 times theorem prover too weak. 723 trivial. 0 not checked. [2024-11-03 05:42:55,556 INFO L136 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2024-11-03 05:42:55,556 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [368101451] [2024-11-03 05:42:55,556 INFO L158 FreeRefinementEngine]: IpTcStrategyModulePreferences [368101451] provided 1 perfect and 1 imperfect interpolant sequences [2024-11-03 05:42:55,556 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-03 05:42:55,556 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [8] total 9 [2024-11-03 05:42:55,556 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1325972946] [2024-11-03 05:42:55,556 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-03 05:42:55,556 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-03 05:42:55,556 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2024-11-03 05:42:55,557 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-03 05:42:55,557 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2024-11-03 05:42:55,557 INFO L87 Difference]: Start difference. First operand 7913 states and 10054 transitions. Second operand has 3 states, 3 states have (on average 57.333333333333336) internal successors, (172), 3 states have internal predecessors, (172), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-03 05:42:55,793 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-03 05:42:55,793 INFO L93 Difference]: Finished difference Result 15777 states and 20046 transitions. [2024-11-03 05:42:55,794 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-03 05:42:55,794 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 57.333333333333336) internal successors, (172), 3 states have internal predecessors, (172), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 423 [2024-11-03 05:42:55,794 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-03 05:42:55,801 INFO L225 Difference]: With dead ends: 15777 [2024-11-03 05:42:55,802 INFO L226 Difference]: Without dead ends: 7885 [2024-11-03 05:42:55,807 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 844 GetRequests, 837 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2024-11-03 05:42:55,807 INFO L432 NwaCegarLoop]: 133 mSDtfsCounter, 51 mSDsluCounter, 73 mSDsCounter, 0 mSdLazyCounter, 115 mSolverCounterSat, 29 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 51 SdHoareTripleChecker+Valid, 206 SdHoareTripleChecker+Invalid, 144 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 29 IncrementalHoareTripleChecker+Valid, 115 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-03 05:42:55,807 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [51 Valid, 206 Invalid, 144 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [29 Valid, 115 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-03 05:42:55,811 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7885 states. [2024-11-03 05:42:55,989 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7885 to 7885. [2024-11-03 05:42:55,993 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7885 states, 7884 states have (on average 1.2623033992897006) internal successors, (9952), 7884 states have internal predecessors, (9952), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-03 05:42:55,998 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7885 states to 7885 states and 9952 transitions. [2024-11-03 05:42:55,999 INFO L78 Accepts]: Start accepts. Automaton has 7885 states and 9952 transitions. Word has length 423 [2024-11-03 05:42:55,999 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-03 05:42:55,999 INFO L471 AbstractCegarLoop]: Abstraction has 7885 states and 9952 transitions. [2024-11-03 05:42:55,999 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 57.333333333333336) internal successors, (172), 3 states have internal predecessors, (172), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-03 05:42:55,999 INFO L276 IsEmpty]: Start isEmpty. Operand 7885 states and 9952 transitions. [2024-11-03 05:42:56,004 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 444 [2024-11-03 05:42:56,005 INFO L207 NwaCegarLoop]: Found error trace [2024-11-03 05:42:56,005 INFO L215 NwaCegarLoop]: trace histogram [15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 14, 14, 14, 14, 13, 11, 11, 10, 10, 9, 9, 8, 8, 8, 8, 6, 5, 5, 5, 5, 5, 5, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-03 05:42:56,007 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc5 --incremental --print-success --lang smt (44)] Ended with exit code 0 [2024-11-03 05:42:56,205 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 44 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc5 --incremental --print-success --lang smt [2024-11-03 05:42:56,205 INFO L396 AbstractCegarLoop]: === Iteration 44 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-03 05:42:56,206 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-03 05:42:56,206 INFO L85 PathProgramCache]: Analyzing trace with hash 717252849, now seen corresponding path program 1 times [2024-11-03 05:42:56,206 INFO L118 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2024-11-03 05:42:56,206 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [776894045] [2024-11-03 05:42:56,206 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-03 05:42:56,206 INFO L173 SolverBuilder]: Constructing external solver with command: cvc5 --incremental --print-success --lang smt [2024-11-03 05:42:56,206 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc5 [2024-11-03 05:42:56,207 INFO L229 MonitoredProcess]: Starting monitored process 45 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc5 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-03 05:42:56,208 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc5 --incremental --print-success --lang smt (45)] Waiting until timeout for monitored process [2024-11-03 05:42:56,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-03 05:42:56,322 INFO L255 TraceCheckSpWp]: Trace formula consists of 491 conjuncts, 48 conjuncts are in the unsatisfiable core [2024-11-03 05:42:56,325 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-03 05:42:56,372 INFO L134 CoverageAnalysis]: Checked inductivity of 2088 backedges. 1226 proven. 56 refuted. 0 times theorem prover too weak. 806 trivial. 0 not checked. [2024-11-03 05:42:56,372 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-03 05:42:56,394 INFO L134 CoverageAnalysis]: Checked inductivity of 2088 backedges. 1234 proven. 0 refuted. 0 times theorem prover too weak. 854 trivial. 0 not checked. [2024-11-03 05:42:56,394 INFO L136 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2024-11-03 05:42:56,394 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [776894045] [2024-11-03 05:42:56,394 INFO L158 FreeRefinementEngine]: IpTcStrategyModulePreferences [776894045] provided 1 perfect and 1 imperfect interpolant sequences [2024-11-03 05:42:56,394 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-03 05:42:56,394 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [7] total 8 [2024-11-03 05:42:56,394 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1979125270] [2024-11-03 05:42:56,394 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-03 05:42:56,394 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-03 05:42:56,394 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2024-11-03 05:42:56,395 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-03 05:42:56,395 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2024-11-03 05:42:56,395 INFO L87 Difference]: Start difference. First operand 7885 states and 9952 transitions. Second operand has 3 states, 3 states have (on average 57.666666666666664) internal successors, (173), 3 states have internal predecessors, (173), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-03 05:42:56,602 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-03 05:42:56,603 INFO L93 Difference]: Finished difference Result 15721 states and 19842 transitions. [2024-11-03 05:42:56,603 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-03 05:42:56,603 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 57.666666666666664) internal successors, (173), 3 states have internal predecessors, (173), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 443 [2024-11-03 05:42:56,603 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-03 05:42:56,610 INFO L225 Difference]: With dead ends: 15721 [2024-11-03 05:42:56,610 INFO L226 Difference]: Without dead ends: 7885 [2024-11-03 05:42:56,614 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 884 GetRequests, 878 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2024-11-03 05:42:56,614 INFO L432 NwaCegarLoop]: 133 mSDtfsCounter, 54 mSDsluCounter, 74 mSDsCounter, 0 mSdLazyCounter, 113 mSolverCounterSat, 28 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 54 SdHoareTripleChecker+Valid, 207 SdHoareTripleChecker+Invalid, 141 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 28 IncrementalHoareTripleChecker+Valid, 113 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-03 05:42:56,614 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [54 Valid, 207 Invalid, 141 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [28 Valid, 113 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-03 05:42:56,617 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7885 states. [2024-11-03 05:42:56,887 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7885 to 7885. [2024-11-03 05:42:56,892 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7885 states, 7884 states have (on average 1.2529173008625063) internal successors, (9878), 7884 states have internal predecessors, (9878), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-03 05:42:56,898 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7885 states to 7885 states and 9878 transitions. [2024-11-03 05:42:56,899 INFO L78 Accepts]: Start accepts. Automaton has 7885 states and 9878 transitions. Word has length 443 [2024-11-03 05:42:56,899 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-03 05:42:56,899 INFO L471 AbstractCegarLoop]: Abstraction has 7885 states and 9878 transitions. [2024-11-03 05:42:56,899 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 57.666666666666664) internal successors, (173), 3 states have internal predecessors, (173), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-03 05:42:56,899 INFO L276 IsEmpty]: Start isEmpty. Operand 7885 states and 9878 transitions. [2024-11-03 05:42:56,905 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 445 [2024-11-03 05:42:56,905 INFO L207 NwaCegarLoop]: Found error trace [2024-11-03 05:42:56,905 INFO L215 NwaCegarLoop]: trace histogram [15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 14, 14, 14, 14, 13, 11, 11, 11, 10, 9, 9, 8, 8, 8, 8, 6, 5, 5, 5, 5, 5, 5, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-03 05:42:56,907 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc5 --incremental --print-success --lang smt (45)] Forceful destruction successful, exit code 0 [2024-11-03 05:42:57,105 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 45 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc5 --incremental --print-success --lang smt [2024-11-03 05:42:57,106 INFO L396 AbstractCegarLoop]: === Iteration 45 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-03 05:42:57,106 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-03 05:42:57,106 INFO L85 PathProgramCache]: Analyzing trace with hash -1401601936, now seen corresponding path program 1 times [2024-11-03 05:42:57,106 INFO L118 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2024-11-03 05:42:57,106 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1204827272] [2024-11-03 05:42:57,106 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-03 05:42:57,107 INFO L173 SolverBuilder]: Constructing external solver with command: cvc5 --incremental --print-success --lang smt [2024-11-03 05:42:57,107 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc5 [2024-11-03 05:42:57,108 INFO L229 MonitoredProcess]: Starting monitored process 46 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc5 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-03 05:42:57,108 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc5 --incremental --print-success --lang smt (46)] Waiting until timeout for monitored process [2024-11-03 05:42:57,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-03 05:42:57,225 INFO L255 TraceCheckSpWp]: Trace formula consists of 492 conjuncts, 48 conjuncts are in the unsatisfiable core [2024-11-03 05:42:57,229 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-03 05:42:57,287 INFO L134 CoverageAnalysis]: Checked inductivity of 2098 backedges. 1226 proven. 68 refuted. 0 times theorem prover too weak. 804 trivial. 0 not checked. [2024-11-03 05:42:57,287 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-03 05:42:57,310 INFO L134 CoverageAnalysis]: Checked inductivity of 2098 backedges. 1244 proven. 0 refuted. 0 times theorem prover too weak. 854 trivial. 0 not checked. [2024-11-03 05:42:57,310 INFO L136 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2024-11-03 05:42:57,310 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1204827272] [2024-11-03 05:42:57,310 INFO L158 FreeRefinementEngine]: IpTcStrategyModulePreferences [1204827272] provided 1 perfect and 1 imperfect interpolant sequences [2024-11-03 05:42:57,310 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-03 05:42:57,310 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [8] total 9 [2024-11-03 05:42:57,311 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1878293106] [2024-11-03 05:42:57,311 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-03 05:42:57,311 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-03 05:42:57,311 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2024-11-03 05:42:57,311 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-03 05:42:57,311 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2024-11-03 05:42:57,311 INFO L87 Difference]: Start difference. First operand 7885 states and 9878 transitions. Second operand has 3 states, 3 states have (on average 58.0) internal successors, (174), 3 states have internal predecessors, (174), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-03 05:42:57,523 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-03 05:42:57,523 INFO L93 Difference]: Finished difference Result 14145 states and 17782 transitions. [2024-11-03 05:42:57,524 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-03 05:42:57,524 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 58.0) internal successors, (174), 3 states have internal predecessors, (174), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 444 [2024-11-03 05:42:57,524 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-03 05:42:57,528 INFO L225 Difference]: With dead ends: 14145 [2024-11-03 05:42:57,528 INFO L226 Difference]: Without dead ends: 3315 [2024-11-03 05:42:57,530 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 886 GetRequests, 879 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2024-11-03 05:42:57,531 INFO L432 NwaCegarLoop]: 133 mSDtfsCounter, 53 mSDsluCounter, 73 mSDsCounter, 0 mSdLazyCounter, 113 mSolverCounterSat, 29 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 53 SdHoareTripleChecker+Valid, 206 SdHoareTripleChecker+Invalid, 142 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 29 IncrementalHoareTripleChecker+Valid, 113 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-03 05:42:57,531 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [53 Valid, 206 Invalid, 142 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [29 Valid, 113 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-03 05:42:57,532 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3315 states. [2024-11-03 05:42:57,599 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3315 to 3274. [2024-11-03 05:42:57,601 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3274 states, 3273 states have (on average 1.2221203788573174) internal successors, (4000), 3273 states have internal predecessors, (4000), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-03 05:42:57,604 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3274 states to 3274 states and 4000 transitions. [2024-11-03 05:42:57,606 INFO L78 Accepts]: Start accepts. Automaton has 3274 states and 4000 transitions. Word has length 444 [2024-11-03 05:42:57,606 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-03 05:42:57,606 INFO L471 AbstractCegarLoop]: Abstraction has 3274 states and 4000 transitions. [2024-11-03 05:42:57,606 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 58.0) internal successors, (174), 3 states have internal predecessors, (174), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-03 05:42:57,607 INFO L276 IsEmpty]: Start isEmpty. Operand 3274 states and 4000 transitions. [2024-11-03 05:42:57,610 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 509 [2024-11-03 05:42:57,610 INFO L207 NwaCegarLoop]: Found error trace [2024-11-03 05:42:57,610 INFO L215 NwaCegarLoop]: trace histogram [16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 15, 15, 15, 15, 15, 14, 14, 13, 13, 12, 12, 11, 11, 11, 11, 9, 8, 8, 7, 7, 6, 6, 5, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-03 05:42:57,613 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc5 --incremental --print-success --lang smt (46)] Ended with exit code 0 [2024-11-03 05:42:57,811 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 46 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc5 --incremental --print-success --lang smt [2024-11-03 05:42:57,811 INFO L396 AbstractCegarLoop]: === Iteration 46 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-03 05:42:57,811 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-03 05:42:57,811 INFO L85 PathProgramCache]: Analyzing trace with hash -145249259, now seen corresponding path program 1 times [2024-11-03 05:42:57,812 INFO L118 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2024-11-03 05:42:57,812 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [285201283] [2024-11-03 05:42:57,812 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-03 05:42:57,812 INFO L173 SolverBuilder]: Constructing external solver with command: cvc5 --incremental --print-success --lang smt [2024-11-03 05:42:57,812 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc5 [2024-11-03 05:42:57,813 INFO L229 MonitoredProcess]: Starting monitored process 47 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc5 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-03 05:42:57,813 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc5 --incremental --print-success --lang smt (47)] Waiting until timeout for monitored process [2024-11-03 05:42:57,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-03 05:42:57,941 INFO L255 TraceCheckSpWp]: Trace formula consists of 558 conjuncts, 86 conjuncts are in the unsatisfiable core [2024-11-03 05:42:57,947 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-03 05:42:58,101 INFO L134 CoverageAnalysis]: Checked inductivity of 2732 backedges. 1277 proven. 302 refuted. 0 times theorem prover too weak. 1153 trivial. 0 not checked. [2024-11-03 05:42:58,101 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-03 05:42:58,171 INFO L134 CoverageAnalysis]: Checked inductivity of 2732 backedges. 1313 proven. 26 refuted. 0 times theorem prover too weak. 1393 trivial. 0 not checked. [2024-11-03 05:42:58,171 INFO L136 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2024-11-03 05:42:58,171 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [285201283] [2024-11-03 05:42:58,172 INFO L158 FreeRefinementEngine]: IpTcStrategyModulePreferences [285201283] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-03 05:42:58,172 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-03 05:42:58,172 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15, 4] total 17 [2024-11-03 05:42:58,172 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [213620348] [2024-11-03 05:42:58,172 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-03 05:42:58,172 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2024-11-03 05:42:58,172 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2024-11-03 05:42:58,173 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2024-11-03 05:42:58,173 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=47, Invalid=225, Unknown=0, NotChecked=0, Total=272 [2024-11-03 05:42:58,173 INFO L87 Difference]: Start difference. First operand 3274 states and 4000 transitions. Second operand has 17 states, 17 states have (on average 19.764705882352942) internal successors, (336), 17 states have internal predecessors, (336), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-03 05:42:59,499 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-03 05:42:59,499 INFO L93 Difference]: Finished difference Result 5917 states and 7262 transitions. [2024-11-03 05:42:59,499 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2024-11-03 05:42:59,499 INFO L78 Accepts]: Start accepts. Automaton has has 17 states, 17 states have (on average 19.764705882352942) internal successors, (336), 17 states have internal predecessors, (336), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 508 [2024-11-03 05:42:59,500 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-03 05:42:59,501 INFO L225 Difference]: With dead ends: 5917 [2024-11-03 05:42:59,501 INFO L226 Difference]: Without dead ends: 0 [2024-11-03 05:42:59,503 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 1038 GetRequests, 1011 SyntacticMatches, 0 SemanticMatches, 27 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 74 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=120, Invalid=692, Unknown=0, NotChecked=0, Total=812 [2024-11-03 05:42:59,503 INFO L432 NwaCegarLoop]: 319 mSDtfsCounter, 582 mSDsluCounter, 2938 mSDsCounter, 0 mSdLazyCounter, 5098 mSolverCounterSat, 53 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 582 SdHoareTripleChecker+Valid, 3257 SdHoareTripleChecker+Invalid, 5151 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 53 IncrementalHoareTripleChecker+Valid, 5098 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2024-11-03 05:42:59,504 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [582 Valid, 3257 Invalid, 5151 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [53 Valid, 5098 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2024-11-03 05:42:59,504 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2024-11-03 05:42:59,504 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2024-11-03 05:42:59,504 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-03 05:42:59,504 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2024-11-03 05:42:59,504 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 508 [2024-11-03 05:42:59,505 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-03 05:42:59,505 INFO L471 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-11-03 05:42:59,505 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 17 states have (on average 19.764705882352942) internal successors, (336), 17 states have internal predecessors, (336), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-03 05:42:59,505 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2024-11-03 05:42:59,505 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2024-11-03 05:42:59,507 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-11-03 05:42:59,510 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc5 --incremental --print-success --lang smt (47)] Forceful destruction successful, exit code 0 [2024-11-03 05:42:59,707 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 47 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc5 --incremental --print-success --lang smt [2024-11-03 05:42:59,710 INFO L407 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-03 05:42:59,712 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2024-11-03 05:43:05,071 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-03 05:43:05,089 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 03.11 05:43:05 BoogieIcfgContainer [2024-11-03 05:43:05,090 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-03 05:43:05,090 INFO L158 Benchmark]: Toolchain (without parser) took 38438.30ms. Allocated memory was 199.2MB in the beginning and 985.7MB in the end (delta: 786.4MB). Free memory was 145.1MB in the beginning and 562.6MB in the end (delta: -417.5MB). Peak memory consumption was 592.1MB. Max. memory is 8.0GB. [2024-11-03 05:43:05,090 INFO L158 Benchmark]: CDTParser took 0.36ms. Allocated memory is still 199.2MB. Free memory is still 146.1MB. There was no memory consumed. Max. memory is 8.0GB. [2024-11-03 05:43:05,090 INFO L158 Benchmark]: CACSL2BoogieTranslator took 290.11ms. Allocated memory is still 199.2MB. Free memory was 144.8MB in the beginning and 126.6MB in the end (delta: 18.3MB). Peak memory consumption was 18.9MB. Max. memory is 8.0GB. [2024-11-03 05:43:05,090 INFO L158 Benchmark]: Boogie Procedure Inliner took 35.59ms. Allocated memory is still 199.2MB. Free memory was 126.6MB in the beginning and 123.9MB in the end (delta: 2.7MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2024-11-03 05:43:05,090 INFO L158 Benchmark]: Boogie Preprocessor took 38.83ms. Allocated memory is still 199.2MB. Free memory was 123.9MB in the beginning and 120.7MB in the end (delta: 3.1MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. [2024-11-03 05:43:05,090 INFO L158 Benchmark]: RCFGBuilder took 589.55ms. Allocated memory was 199.2MB in the beginning and 374.3MB in the end (delta: 175.1MB). Free memory was 120.7MB in the beginning and 323.3MB in the end (delta: -202.6MB). Peak memory consumption was 29.2MB. Max. memory is 8.0GB. [2024-11-03 05:43:05,090 INFO L158 Benchmark]: TraceAbstraction took 37478.83ms. Allocated memory was 374.3MB in the beginning and 985.7MB in the end (delta: 611.3MB). Free memory was 322.2MB in the beginning and 562.6MB in the end (delta: -240.3MB). Peak memory consumption was 593.3MB. Max. memory is 8.0GB. [2024-11-03 05:43:05,091 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.36ms. Allocated memory is still 199.2MB. Free memory is still 146.1MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 290.11ms. Allocated memory is still 199.2MB. Free memory was 144.8MB in the beginning and 126.6MB in the end (delta: 18.3MB). Peak memory consumption was 18.9MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 35.59ms. Allocated memory is still 199.2MB. Free memory was 126.6MB in the beginning and 123.9MB in the end (delta: 2.7MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * Boogie Preprocessor took 38.83ms. Allocated memory is still 199.2MB. Free memory was 123.9MB in the beginning and 120.7MB in the end (delta: 3.1MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. * RCFGBuilder took 589.55ms. Allocated memory was 199.2MB in the beginning and 374.3MB in the end (delta: 175.1MB). Free memory was 120.7MB in the beginning and 323.3MB in the end (delta: -202.6MB). Peak memory consumption was 29.2MB. Max. memory is 8.0GB. * TraceAbstraction took 37478.83ms. Allocated memory was 374.3MB in the beginning and 985.7MB in the end (delta: 611.3MB). Free memory was 322.2MB in the beginning and 562.6MB in the end (delta: -240.3MB). Peak memory consumption was 593.3MB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 681]: a call to reach_error is unreachable For all program executions holds that a call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 140 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 32.0s, OverallIterations: 46, TraceHistogramMax: 16, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.1s, AutomataDifference: 9.8s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 4330 SdHoareTripleChecker+Valid, 6.6s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 4330 mSDsluCounter, 19332 SdHoareTripleChecker+Invalid, 5.3s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 11617 mSDsCounter, 1243 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 16634 IncrementalHoareTripleChecker+Invalid, 17877 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 1243 mSolverCounterUnsat, 7715 mSDtfsCounter, 16634 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 23242 GetRequests, 22970 SyntacticMatches, 0 SemanticMatches, 272 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 180 ImplicationChecksByTransitivity, 1.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=7913occurred in iteration=41, InterpolantAutomatonStates: 193, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 3.0s AutomataMinimizationTime, 46 MinimizatonAttempts, 7041 StatesRemovedByMinimization, 9 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.5s SsaConstructionTime, 1.0s SatisfiabilityAnalysisTime, 5.7s InterpolantComputationTime, 11639 NumberOfCodeBlocks, 11639 NumberOfCodeBlocksAsserted, 46 NumberOfCheckSat, 23186 ConstructedInterpolants, 0 QuantifiedInterpolants, 33361 SizeOfPredicates, 917 NumberOfNonLiveVariables, 13345 ConjunctsInSsa, 1610 ConjunctsInUnsatCore, 92 InterpolantComputations, 52 PerfectInterpolantSequences, 64344/66422 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 109]: Loop Invariant Derived loop invariant: (((((((((((((((blastFlag != 5) && (blastFlag != 4)) && (0 != s__hit)) || (((((blastFlag != 3) && (blastFlag != 5)) && (blastFlag != 4)) && (s__s3__tmp__next_state___0 == 8576)) && (8576 == s__state))) || (((((blastFlag != 3) && (blastFlag != 5)) && (blastFlag != 4)) && (8544 == s__state)) && (0 == s__hit))) || ((((blastFlag != 3) && (blastFlag != 5)) && (blastFlag != 4)) && (8496 == s__state))) || (((((((((((((((((((((((((blastFlag != 3) && (8593 != s__state)) && (8192 != s__state)) && (blastFlag != 5)) && (8480 != s__state)) && (8465 != s__state)) && (blastFlag != 4)) && (8577 != s__state)) && (8561 != s__state)) && (8529 != s__state)) && (8609 != s__state)) && (8497 != s__state)) && (s__s3__tmp__next_state___0 != 8641)) && (8195 != s__state)) && (12292 != s__state)) && (16384 != s__state)) && (8481 != s__state)) && (8545 != s__state)) && (8657 != s__state)) && (8576 != s__state)) && (8513 != s__state)) && (8641 != s__state)) && (8448 != s__state)) && (24576 != s__state)) && (8673 != s__state))) || (((((8448 == s__state) && (blastFlag != 3)) && (blastFlag != 5)) && (blastFlag != 4)) && (s__s3__tmp__next_state___0 == 8576))) || (((((blastFlag != 3) && (8512 == s__state)) && (blastFlag != 5)) && (blastFlag != 4)) && (0 == s__hit))) || (((((blastFlag != 5) && (blastFlag != 4)) && (8672 == s__state)) && (s__s3__tmp__next_state___0 != 8641)) && (0 == s__hit))) || (((((blastFlag != 3) && (blastFlag != 5)) && (blastFlag != 4)) && (8528 == s__state)) && (0 == s__hit))) || (((((blastFlag != 3) && (8560 == s__state)) && (blastFlag != 5)) && (blastFlag != 4)) && (0 == s__hit))) || ((((8448 == s__state) && (blastFlag != 5)) && (blastFlag != 4)) && (s__s3__tmp__next_state___0 == 3))) || ((((((((((((((((((((((((((((((((((8656 != s__state) && (8593 != s__state)) && (8192 != s__state)) && (8466 != s__state)) && (blastFlag != 5)) && (8560 != s__state)) && (8480 != s__state)) && (8465 != s__state)) && (8544 != s__state)) && (8528 != s__state)) && (8672 != s__state)) && (8577 != s__state)) && (8561 != s__state)) && (8529 != s__state)) && (8609 != s__state)) && (8497 != s__state)) && (8640 != s__state)) && (8512 != s__state)) && (8592 != s__state)) && (8496 != s__state)) && (8608 != s__state)) && (8195 != s__state)) && (12292 != s__state)) && (16384 != s__state)) && (8481 != s__state)) && (8464 != s__state)) && (8545 != s__state)) && (8657 != s__state)) && (8576 != s__state)) && (8513 != s__state)) && (8641 != s__state)) && (8448 != s__state)) && (24576 != s__state)) && (8673 != s__state))) || (((((blastFlag != 3) && (blastFlag != 5)) && (blastFlag != 4)) && (8464 == s__state)) && (0 == s__hit))) RESULT: Ultimate proved your program to be correct! [2024-11-03 05:43:05,113 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...